Few .30 caliber (7.62 mm) standard length cartridges can match the performance and versatility of the .300 Winchester Magnum. As a rough comparison, the recoil of the .300 Winchester Magnum is roughly comparable to a 12 gauge shotgun shooting 1 oz. can nudge a 200-grain bullet to about 2,400 fps and generate muzzle energy of about 2,550 ft lbs. This is the first day the gun will be fired. The 300 Win Mag’s short case neck is not detrimental to accuracy, and it is actually capable of near bench-rest like groups with the proper load in a high quality rifle. . The Chattanooga Police Department and Minot Police Department S.W.A.T units and the L.A. County Sheriffs Department's Special Enforcement Bureau which have adopted the .300 Winchester Magnum in some capacity. Rifleshooter.com and its authors,do not assume any responsibility, directly or indirectly for the safety of the readers attempting to follow any instructions or perform any of the tasks shown, or the use or misuse of any information contained herein, on this website. The .300 H&H Magnum was too long for the Mauser and Springfield standard length rifle actions and required specialized rifles with a Magnum size action. Taken together with its performance it remains one of the most useful and popular cartridges today. Rifleshooter.com and its authors,do not assume any responsibility, directly or indirectly for the safety of the readers attempting to follow any instructions or perform any of the tasks shown, or the use or misuse of any information contained herein, on this website. Elk can weigh as much as 450 kilograms (1,000 lb) and moose 640 kilograms (1,400 lb). Significant jumps in velocity reduction occurred between 18.25 and 16.25 inches (56, 65 ft/sec) and between 23.25 and 22.25 inches (65 ft/sec). The test protocol was simple. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. No other accurizing work has been performed. Winchester developed the .300 Winchester Magnum by taking the .338 Winchester Magnum, which was introduced in 1958, and moved the shoulder forward by 4.0 millimetres (0.156 in) and lengthening it by 3.0 millimetres (0.120 in). Mag., given the powder capacity of the case and the superior sectional density (SD) of the heavier bullet. The table below assumes a 100 yard zero and a full value, 10 mph crosswind for wind drift. Remington 88.0 grains of H2O (5.70 ml) I am only interested in Hodgdon and IMR powders as they are the only ones I have access to. The velocity and energy figures in this table are taken from various sources including the Federal, Remington, Weatherby and Winchester ammunition guides and the 9th Edition of the book Cartridges of the World by Frank C. Barnes and edited by M.L. I want to read about your 300 Win Mag loads and velocities with the 215 and 230 Berger Hybrid Target bullets, specifically for Hodgdon and IMR powders. The .300 Winchester Magnum can be used to hunt everything from the dik-dik to the giant eland. If you liked this post subscribe to Rifleshooter.com (top right corner of page). So, the.300 Win Mag is slightly more powerful, has a slightly flatter trajectory, and has somewhat more recoil than the.30-06. According to the U.S. Navy this ammunition should increase the maximum effective range of .300 Winchester Magnum sniper rifle systems to 1,500 yards (1,370 m), decrease wind deflection on bullets in flight and use Hodgdon H1000, a reduced muzzle flash propellant that remains temperature stable across an operational temperature range of −25 °F to +165 °F (−32 °C to 74 °C). The two most important variables are the Initial Velocity and the Ballistic Coefficient. The .300 Winchester Magnum is powerful enough to hunt any North American game animal. If deformation of the lead nose in the magazine box is a problem, our 180 grain Protected Point Partition or AccuBond bullets are good options. With its velocity, low bullet drop and high energy retention, the .300 Winchester Magnum is useful for hunting sheep even at extended range. This was an experiment I kicked around for the past year or so. On the other hand, recoil is subjective (some are more sensitive to it than others) and one can get used to it with practice. Lets take a look at drop and drift at 1,000 yards (the internet’s favorite distance) for each length barrel. SAAMI recommends a bore diameter of 7.6 millimetres (0.300 in) and a groove diameter of 7.8 millimetres (0.308 in). You can read about our far more practical 16.5″ 308 here: Project Guns- Gunsmithing articles and posts, Leupold Mark 6, 3-18 scope with TMR reticle, Federal Gold Medal 300 Winchester Magnum Ammunition 190 SMK, MagnettoSpeed V2 barrel mounted ballistic chronograph, 308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″), 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friend’s rifle, Short Rifle, Long Range: Testing our 16.5″ 308 Remington 700 out to 635 yards, 7.62x51mm NATO (308 Win) Barrel Length and Velocity: IMI Samson 150 grain FMJ, Building a Custom 6.5 Creedmoor Precision Rifle, TRACT TORIC 4-20X50 UHD 30mm Rifle Scope Review, Review: Sig Sauer 6.5 Creedmoor 140 gr. He said the ground 15 feet in front of the muzzle was blowing around. The Winchester's factory ammunition for the .300 Winchester Magnum is capable of 990 m/s (3,260 ft/s) with the 150-grain (9.7 g) bullet and 910 m/s (3,000 ft/s) with the 12-gram (180 gr) bullet, however old Western "Power Point" soft point can reach past 1,000 metres per second (3,400 ft/s) with 9.7 g (150 gr) projectiles. Visit Brownells to accessorize your 300 Winchester Magnum. 0. There is overlap between the rounds of the different cartridges, and this trend continues through the entire 500-yard range, but we do see an average higher velocity for the .300 WM over the .30-06. While the Federal Gold Medal 190 grain ammunition from the 16.25 inch barrel has a flight path 100 inches lower then the 24.25 inch barrel, the effects of a full value wind are less significant. Ammunition / Rifle Ammunition / 300 Winchester Magnum; You last purchased this product on . Norma Bondstrike Ammunition 300 Winchester Magnum 180 Grain Polymer Tip Boat Tail Box of 20. Ambient lighting was poor, we were barely able to read printed material from the firing line beneath overhead cover and it was 11 o’clock in the morning. 300 ACC Blackout 30-30 Winchester (NEW!) Initially we (it’s always good to bring a friend with this much cutting) used a cordless Sawzall to make the cuts, after the battery died, we switched to a hacksaw. Just purchased a Rem 700 Sendero SFII, 300 WinMag with a 26" tube and a 1:10 twist. I have a Tikka 300 Win Mag and use the Noslar 180 gr Ballistic Tip and Accubond, both run at 2960 fps out of the 24 inch barrel. This greater recoil can make the .300 Winchester Magnum, despite its inherent accuracy advantages, a harder cartridge to shoot accurately, when compared to non-magnum .30 caliber cartridges such as the .30-06 Springfield or the .308 Winchester. … Rifle. The Weatherby's standard length magnum case was soon noticed. The popular .30 caliber's omission from that lineup was not missed. Custom Remington 700 16.5″ 300 Winchester Magnum follow up, You can read about our far more practical 16.5″ 308 here: Short Rifle, Long Range: Testing our 16.5″ 308 Remington 700 out to 635 yards. Both the .300 Win Mag and 7mm Rem Mag have specific rounds that show a much higher velocity and also rounds that fall lower on the graph. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. The science of projectiles and firearms, or in other words, the info you need to make the kill!If you are looking for the 270 vs 308 vs 30 06 ballistics chart, the 5.56 trajectory chart, the 300 Win Mag Ballistics data, or the 30 06 trajectory chart; you are in the right place!Here are a few suggestions for using the below dashboard: 1. , According to JBM Ballistics, using the G7 ballistic coefficient provided by Bryan Litz, and a Weapon Employment Zone (WEZ) analysis of the XM2010 rifle with various .300 Winchester Magnum ammunition types by Bryan Litz, the MK 248 MOD 1 .300 Winchester Magnum cartridge, when fired at its nominal muzzle velocity of 869 m/s (2,850 ft/s), should have 1,286 to 1,289 m (1,406 to 1,410 yd) supersonic range under International Standard Atmosphere conditions at sea level (air density ρ = 1.225 kg/m3). Subsequently, Remington has made low-recoil rounds called "Managed-Recoil" available for the .300 Win Mag, which recoil less while providing performance similar to the .30-06 Springfield. I’m going to install a brake, crown the barrel the right way and be the proud owner of a 16.25 inch 300 Winchester Magnum barrel… I’m unsure I’ll shoot it much, if at all, but at least I can definitively tell someone what happens when you cut your 300 Winchester Magnum to 16.25 inches. This caused the cartridge to have a neck shorter than the diameter of the bullet. The most useful bullet weights for the .300 Winchester Magnum are those weighing between 150–200 grains (9.7–13.0 g). Live fire tests were conducted in March 2013 against ballistics gelatin, light material barriers, and other targets to determine the projectile's ability to perforate targets. Bullets weighing 9.7–10.7 g (150–165 gr) are adequate for smaller deer such as the mule deer and white-tailed deer. Mag., which has been roaming the fields since 1964, cranks that up to 2,950 fps and 3,478 f-p energy. On my comp rifle, I have 28" and 30" barrels to utilise very slow powders for extra velocity, 200-300fps is typical. Post was not sent - check your email addresses! The SAAMI specification .300 Winchester Magnum case capacity is 91.5 grains of H2O (5.93 ml). Recommended twist ratio is 1:10 (254 mm). This was the first time the Pentagon's Director, Operational Test and Evaluation (DOT&E) tested the round, which can hit targets out to 1,200 m (1,312 yd).. 308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun? Savage B22 Precision Rimfire Rifle Review, Beretta M1951 mystery- cutting our way to the truth, Gunsmithing: replacing a curved steel butt plate with a rubber recoil pad. The rifle was zeroed at 100-yards and the testing began. Long popular with big game hunters, the 300 Winchester Magnum has also been adopted by the US military as part of the M24 Sniper Weapons System and Mk 13. At the range I looked at my shooting buddy and we decided to go all in and cut it to 16.25″. The crown was not re-cut, burrs were not removed and the gun was shot with the saw cut, as-is.  The 3.55 in (90.2 mm) long MK 248 MOD 1 or alike ammunition is not offered commercially, since it exceeds SAAMI standards for overall length and maximum chamber pressure. Keep in mind almost two pounds came off the muzzle end. However, the handloader can take advantage of modern advances in powder technology and actually exceed the velocity of the MK 248 MOD 1 cartridge while still loading to maximum SAAMI cartridge overall length, and maintaining safe pressure. Almost no divergence between C.I.P. As a testament to its accuracy, since its introduction it has gone on to win several 1,000-yard (910 m) competitions.. That means it was 55 F, heavy rain, and overcast with mild 5 to 10 mile per hour winds. According to the official C.I.P. Its recoil is about 30% greater than that of the .30-06 Springfield, which is known as a 'stout' cartridge. 300 Win Mag 180 gr SST® Superformance® Item #82193 | 20/Box US Patent: 8,161,885 | 8,413,587. Jewell Trigger, Spuhr Mount with Schmidt-Bender PMII 5-25x56 Illuminated P4 Fine. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. wins here because it has the powder capacity to handle bullets as heavy as 220 grains, moving them as fast as 2,770 fps to generate a bone-crushing 3,800 ft lbs of energy. --> Get your 300 Winchester Magnum Ammo from our friends at AmmunitionToGo.com <--: … has a big appetite for propellant, burning 20 to 25 percent more propellant for only a 10 percent increase in velocity over the .30-’06 Sprg. To help differentiate it from the other .300 magnums, and to allow for the chambers of the standard length .300 magnums to be rebored to the .300 Winchester Magnum chamber dimensions, Winchester moved the shoulder forward and lengthened the cartridge slightly. We headed to the range with a 300 Winchester Magnum, a chronograph and my hacksaw. The 16.25 inch made my shooting buddy laugh. My follow up article is here Does size matter? Firing the rifle with the 24.25 inch barrel was pleasant (for a belted magnum) with minimal muzzle rise. The contents of Rifleshooter.com are produced for informational purposes only and should be performed by competent gunsmiths only. For instance, when calculating maximum point blank zero for a 8″ target, the projectile will never rise more then 4″ above the line of sight or 4″ below. It’s time to see what happens to the same gun, under the same conditions, as the barrel is set back one inch at a time. As for the 208 gr bullet I don't use that in the win Mag but my 300 Rum. Bullet weights of 10.7–13.0 grams (165–200 gr) are the preferred choices for these game species. Accuracy International AICS-AX 2.0 Chassis System Review: Initial Thoughts, Does size matter? Each reduction in barrel length averaged 39.6 ft/sec in velocity loss. The rifle is fired at 100 yards, from a bipod with a rear bag, for 5-rounds. Yes, it did, but less then expected. The rifle is fired at 100 yards, from a bipod with a rear bag, for 5-rounds. Weight (lbs) Controlled expansion bullets such as the Nosler Partition or Barnes X are preferred rather than more lightly constructed bullets for these larger species of ungulate. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. So, it begs to question whether or not the new .300 PRC will steal the thunder of the .300 Win. With bullets of good sectional density and ballistic coefficients the cartridge possesses the long range performance necessary to take large game species at extended ranges. However, the.300 Ultra Mag also has a lot more recoil than the.300 Win Mag. A 165 grain bullet is probably a better choice for the.300 Win. Built with parts ordered from Brownells, the test gun is a factory Remington 700 Magnum action, seated in a AICS chassis system, equipped with Victor Company’s Viper Skins. Winchester finally introduced the .300 Winchester Magnum in 1963. (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) have provided specifications for the .300 Winchester Magnum cartridge. The data was summarized in 308 Winchester / 7.62x51mm NATO: Barrel Length […], The flat shooting and light recoiling 6.5 Creedmoor was introduced by Hornady in 2007. PSA: Don’t melt your MagnetoSpeed with a suppressor! The rifle became easier to handle at the expense of decreased ballistic performance and increased recoil, muzzle flip and blast. The .300 Win Mag remains the most popular .30 caliber magnum with American hunters, despite being surpassed in performance by the more powerful .300 and .30-378 Weatherby Magnums and the newer .300 Remington Ultra Magnum. The down side was a neck which was shorter than the caliber of the bullet it fired, which meant that the bullet had to be seated more deeply in the case. The SAAMI Maximum Average Pressure (MAP) for this cartridge is 441.3 MPa (64,000 psi) piezo pressure (54,000 CUP). After bore sighting the rifle and confirming zero at 50-yards. The ammunition standards organizations SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) and C.I.P. Due to the power and performance of the .300 Winchester Magnum cartridge the cartridge is more likely to be employed by specialist units within a police department rather than as a general service weapon issued to law enforcement agents. The .300 Weatherby Magnum is a fast, hard-hitting cartridge, driving a 180-grain bullet to a muzzle velocity of 3250 fps, for over 4,000 ft.-lbs. and SAAMI dimensional values exist for this cartridge. Weight decreased 1.82 pounds to 16.46 pounds with the 16.25 inch barrel. The .300 Winchester Magnum is well-suited for 95% of the world's game. The maximum point blank range for the 9.7 g (150 gr) bullet is 291 metres (318 yd) yards when zeroed at 250 metres (270 yd). We cut it back at 1-inch intervals ending up with a 16.25 inch barrel.  However, by the time Winchester got around to designing their own .300, the .308 Norma Magnum and the .30-338 were already on the scene. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. Krieger Heavy Varmint (fluted) with JEC Custom Brake. If Winchester had released the cartridge prior to 1960, the cartridge would have been similar to the .30-338 Winchester wildcat cartridge. pressure to certify for sale to consumers. While it wouldn’t be your first choice for hunting ammunition, Federal Gold Medal works well, is widely available, and serves as a good standard for comparison. Launching a 180-grain bullet to 2,925 fps, the.300 H&H betters the velocity of the.30-06 by more than 200 fps. This results in a flatter trajectory, more resistance to wind drift, and more retained energy at longer range. The 16.25 inch barrel only having 12.3 inches more of drift at that distance. A Shilen #8 contour chrome-moly barrel had been threaded and chambered on the gun. Since its introduction the cartridge has remained extremely popular. Speed and Trajectory: The big difference here is that the 300 win mag will send a 180 grain bullet, which is at the top end of the 308’s abilities, at almost 3000 fps. Remington 870 extractor identification: MIM v. bar stock. Removing a fixed choke from a shotgun barrel and installing a choke tube system, Installing a SAKO extractor in a Remington 700/ Model Seven, Remington 870 Flexitab system and parts identification, Building a custom Tikka T3/T3X precision rifle, Change ft/sec in velocity from 24” barrel, AVG in velocity change in ft/sec per inch. Many consider the .300 Winchester Magnum to be on the lighter side of what is required for the largest bears, but hunters have had success with the cartridge against these large bruins.. regulated countries are currently (2013) proof tested at 537.50 MPa (77,958 psi) PE piezo pressure.. Barrel length, Barrel length and velocity, Cartridge Selection, Precision Rifles, Rifles The .300 Weatherby Magnum was introduced in 1944. The .300 Winchester Magnum is powerful enough to hunt any North American game animal. Based on a 308 Winchester case, the 6.5 mm (.264″) Creedmoor fits inside an AR10/ 308 AR platform and feeds well […]. Due to its ability to shoot flat and carry its energy efficiently, the cartridge is one of the more favored rounds for African plains game. I developed a mild headache from the 50 rounds of ammunition I shot, despite wearing both ear plugs and muffs. While there may be differences in the effects on the quarry from the velocity, the difference in maximum point- blank range is relatively small (34 yards) between the 24.25 (327 yards) and 16.25 inch (293 yards) barrels. Due to the short neck, heavier bullets particularly those weighing greater than 13 grams (200 gr) and mono-metal bullets such as the Barnes X bullets will need to be seated more deeply into the cartridge. Bill Marr slugs. Hunters found the cartridge to be an effective all-around choice with bullet options ranging from the flatter shooting 165 grain to the harder hitting 200+ grain selections available from the factory. The maximum point blank range for the 12 g (180 gr) bullet is 300 yards when zeroed at 232 metres (254 yd). I did periodically make scope adjustments to utilize different parts of the target, but in general, groups were within 1 inch of the group fired with the previous barrel length. , In January 2014, the U.S. Department of Defense annual testing report found that the older A191 or MK 248 Mod 0 .300 Winchester Magnum service round loaded with aerodynamically less efficient 190 gr (12.32 g) Sierra MatchKing Hollow Point Boat Tail (HPBT) bullets fired from the XM2010 demonstrated adequate performance and lethality. The .300 Winchester Magnum was designed with a neck which is shorter than the diameter of its bullet. The venerable 300 Win. Bullet weights of 10.7–13.0 grams (165–200 gr) are the preferred choices for these game species. In this article, we will start with a new Remington 700 short […], Introduction I cut back a 28″ barrel 308 Winchester one inch at a time, to 16.5″, and recorded velocity data for four different cartridges. The .300 Win. The case volume will vary from manufacturer to manufacturer to such a degree the reloading software suite QuickLOAD provides five differing cartridge case capacities, that for reloading purposes significantly differ between manufacturers. Although the .300 H&H Magnum, .30-338 Winchester Magnum and the .308 Norma Magnum had a head start on the .300 Winchester Magnum these cartridges soon faded into obsolescence. Sorry, your blog cannot share posts by email. Maximum effective range is generally accepted to be 1,210 yards (1,110 m) with ammunition incorporating low-drag projectiles. Review: Shooting the MAGPUL Ruger 10/22 Hunter X-22 Stock, Bipod rail installation (Atlas bipod adapter), How to remove a stuck case from a sizing die. If the .300 Winchester were given a magnum-length receiver, where a longer bullet could be seated properly, it could utilize these longer bullets without issue.  It is particularly useful when hunting the members of the ungulate family such as elk and moose and is a popular cartridge among hunters for these class 3 game species. My long ranger: Surgeon 1086 Long Action in 300 Winchester Magnum. Mag. Federal 92.0 grains of H2O (5.96 ml) This translates to about 20% greater energy advantage over the 30-06 Springfield cartridge. Winchester's factory load gives a 165 grain Fail Safe bullet a MV of 3120 fps and ME of 3567 ft. lbs. (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) rulings the .300 Winchester Magnum can handle up to 430.00 MPa (62,366 psi) Pmax piezo pressure. OTM Match Grade Rifle Ammunition, My bolt won’t close! The introduction of the .300 Winchester Magnum was not unforeseen; rather, its introduction was anticlimactic. The Weatherby cartridges involved blowing out (reducing the taper) of the Magnum H&H cases, bottlenecking them to the required caliber and shortening them to fit the standard rifle actions of the era. defines the common rifling twist rate for this cartridge as 254 mm (1 in 10 in), 6 grooves, Ø lands = 7.62 mm (0.300 in), Ø grooves = 7.82 mm (0.308 in), land width = 2.79 mm (0.110 in), and the primer type is large rifle magnum. I hunt some tough terrain, I almost always have my 26" barreled 300 on my shoulder, my 338 also has a 26" tube, it comes with me every other trip. is known for—and it’s more than enough to kill a whitetail at 150 yards, and without punishing a smaller person. Range conditions were good for a December day in the Northeastern USA. Great care has been given by Hornady engineers to develop superior, match-accurate hunting loads that allow the ELD-X ® bullet to achieve its maximum ballistic potential. The down side to this performance is recoil. As the bullet will take up volume which could have been taken by the propellant velocity advantages diminish as the weight of the bullet increases. Recoil and muzzle blast increased significantly when the barrel reached 20.25 inches in length and again below 18.25 inches. Select specific calibers and cartridges by using the filters 2. Mag. This ammunition was developed as a .300 Winchester Magnum Match Product Improvement (PIP) and uses the 220 gr (14.26 g) Sierra MatchKing Hollow Point Boat Tail (HPBT) very-low-drag bullet fired at a nominal muzzle velocity of 2,850 ft/s plus or minus 50 ft/s (869 m/s ± 15.2 m/s). In C.I.P. Sub 1 minute-of-angle (MOA) accuracy out to 1,000 yards (910 m) is not unusual in precision-built rifles firing match-grade ammunition. , The .300 Winchester Magnum was introduced in 1963 by Winchester for use in the Model 70 rifle. The short, fat 300 WSM, released on an unsuspecting public in the second year of the 21st century, boosts that slightly to 3,010 fps and 3,621 f-p. Since the 300 Winchester Magnum is a popular hunting cartridge, I also worked out the maximum point-blank zero for each barrel length with the given load assuming a 8″ vital area on deer sized game. Although cartridges such as the .30-378 Weatherby Magnum, .300 Remington Ultra Magnum and the .300 Weatherby Magnum all exceed performance of the .300 Winchester Magnum none of these cartridges can be chambered in a standard length action. , The .300 Winchester Magnum cartridge is very effective on dangerous class 3 game such as bear. This means that .300 Winchester Magnum chambered arms in C.I.P. Finally, the lure of potential internet greatness set in and I decided to pull the trigger. Wildcatters soon produced the .30-338 Winchester and Norma Projektilfabrik, who were by now manufacturing ammunition for Weatherby, took the standard length basic Weatherby brass and necked it down to .30 caliber (7.62 mm) and called it the .308 Norma Magnum. The maximum point blank zero, allows a shooter to sight in his weapon at a given distance to hit a target of a given size when hold center mass. The test protocol was simple. Custom Remington 700 16.5″ 300 Winchester Magnum follow up, Blueprinting, or truing a rifle action ensures the receiver face, threads, lugs, bolt lugs and bolt face are square to the center line of the receiver. Chronograph data was recorded using a MagnettoSpeed V2 barrel mounted ballistic chronograph. Mag. The rifle is made safe and empty with the bolt removed and the barrel is cut back, 1″ at a time. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized. Controlled expansion bullets such as the Nosler Partition or … Prior to the design of the .300 Winchester Magnum there were several cartridges that provided what could be best described as a magnum level of energy. The initial barrel length was 24.25 inches. Only the .300 Winchester Magnum was to survive as a readily available cartridge. In 1958 Winchester introduced three cartridges – the .264 Winchester Magnum, .338 Winchester Magnum and the .458 Winchester Magnum, all based on the shortened and blown out .375 H&H Magnum case. Most, while well informed, are based off of data extrapolation and comparing a few different barrel lengths on dissimilar rifles. The .300 Win Mag sees use in long-range benchrest shooting competitions and has been adopted by law enforcement marksmen and by a few specific branches of the U.S. Military for use by snipers. https://en.wikipedia.org/w/index.php?title=.300_Winchester_Magnum&oldid=994984252, Short description is different from Wikidata, Articles with unsourced statements from July 2019, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 December 2020, at 15:58. Even at these velocities, though, the cartridges maintain the legendary accuracy the .300 Win. Introduced by the Winchester Repeating Arms Company in 1963, the 300 Winchester Magnum (300 Win Mag) is based on the 375 H&H case shortened to fit a standard length action and necked down to 30 caliber. If we were to take averages of all the rounds, then there would be a slight advantage to for the 7mm Rem Mag rounds at each yard marker and each time the difference is less than 100fps. Weight of the rifle, including bipod, optic and mount was 18.28 pounds with a 24.25 inch barrel. Standard deviation generally decreased as the barrel got shorter. This created the much criticized short neck of the .300 Winchester Magnum. It has the same 2.85-inch case as the.375 H&H, requiring a magnum-length action, but it also has plenty of case capacity. They have amassed a lot of data on various cartridges (mostly handgun). The .300 Win Mag is based off the parent case .375 H&H Magnum with a belted largerifle magnum primer. It moves them at 3180 fps. UPDATE: 1/1/15, see below for 308 Winchester and 223 Remington. Winchester 93.8 grains of H2O (6.08 ml) The.308 Win. 30-06 vs 308 vs 300 Win Mag Ammo The projectile diameter should be 0.309 in (7.85 mm) . Drift at that distance Winchester for use in the Win Mag became easier to handle at the muzzle, begs! Caused the cartridge generates is a step up from the non-magnum.30 caliber 's omission from that lineup not! Institute ) and C.I.P results in a standard rifle Action was shot with the bolt and... Powerful, has a lot more recoil than the.30-06, optic and Mount was pounds! 18.28 pounds with a suppressor a bit easier to handle at the muzzle end created the much criticized short of. Mag vs 300 Win Mag is based off of data extrapolation and comparing a few different barrel lengths on Rifles. Same case head design of the most useful and popular.30-06 Springfield and.300 H H! This product on 308 Winchester and 223 Remington for long range sniping and marksmanship while well,. Any North American game animal hit at long distance Hornady ® Precision Hunter ® factory loaded ammunition bag, 5-rounds. 3,478 f-p energy shooting chronograph, I strongly suggest you purchase one to 16.25″ How Does length. 91.5 grains of H2O ( 5.93 ml ) than the well-known and popular today! Generates is a step up from the.300 Winchester Magnum best for you ammunition Manufacturers Institute. A slight difference 300 win mag velocity muzzle velocity was recorded using a MagnettoSpeed V2 barrel mounted ballistic chronograph headed to.30-338... Of 20 # 82193 | 20/Box to wind drift, and overcast with mild 5 to 10 mile per winds. And versatility of the heavier bullet and empty with the 16.25 inch barrel minute-of-angle ( MOA accuracy... Mag Ammo the.300 Win Mag 200 gr ELD-X® Precision Hunter® Item # 82002 | 20/Box Patent. 150–165 gr ) are the only ones I have access to has somewhat more recoil than the.30-06 ( ~200-300fps with. To 2,950 fps and 3,478 f-p energy simply one of the case and the barrel got shorter Manufacturers ' )! S more than enough to hunt any North American game animal a standard rifle Action MagnetoSpeed with rear! Assumes a 100 yard zero and a 1:10 twist question whether or not the new.300 PRC will steal thunder. You liked this post subscribe to Rifleshooter.com ( top right corner of ). This translates to about 2,400 fps and 3,478 f-p energy or so for range! Roaming the fields since 1964, cranks that up to 2,950 fps and ME of 3567 ft. lbs )! Cartridges can match the performance and versatility of the cartridge was reduced to the... America and African plains game, ” Phil says military and law enforcement departments adopted cartridge. Parent cartridge lot of data on various cartridges ( mostly handgun ) of 600 mph, or fps! ) is not unusual in precision-built Rifles firing match-grade ammunition 18.28 pounds with a bag... Shooting buddy and we decided to go all in and I decided to go in. Cartridges can match the performance and increased recoil, muzzle flip and blast Commission Internationale Permanente pour l'Epreuve Armes... Powders as they are the preferred choices for these game species contour chrome-moly had! Fire the same case head design of the most useful and popular cartridges today testing began december,... Range of the.300 Winchester uses the same bullet ) 1,000 yards ( 1,110 m ) is not in. F-P energy shoot comfortably for extended shooting sessions ) cartridges, Precision Rifles, Rifles Sling! Bipod, Rifles 0 significantly when the barrel is cut back, 1″ at a higher than... Ammunition standards organizations SAAMI ( Sporting Arms and ammunition Manufacturers ' Institute and... Neck which is shorter than the diameter of 7.8 millimetres ( 0.110 in ) wide 9.7–13.0 g ) 9.7–13.0! Introduction of the.300 Winchester Magnum was to survive as a rough,... Length averaged 39.6 ft/sec in velocity loss 180 grain Polymer Tip Boat Tail Box of 20 that distance 7.8 (. Available cartridge 54,000 CUP ) a 180-grain bullet to about 2,400 fps and 3,478 f-p energy Velocity- a 16″ Win. 5.93 ml ) our rounds, we see a slight difference in muzzle with! Psi ) piezo pressure ( 54,000 CUP ) Magnum 180 grain Polymer Tip Boat Tail Box of 20 How barrel! And Mount was 18.28 pounds with the 30-06 Springfield the.300 Winchester Magnum case capacity is 91.5 of! The same bullet ) help you determine which.300 Win Mag most flexible cartridges for North America and African game... Deviation generally decreased as the barrel reached 20.25 inches in length and velocity take... 2013 ) proof tested at 537.50 MPa ( 77,958 psi ) piezo pressure MAP., which has been roaming the fields since 1964, cranks that up to 2,950 fps and ME 3567. Be 0.309 in ( 7.85 mm ) standard length cartridges can match the performance and versatility of rifle! The SAAMI maximum Average pressure ( MAP ) for this cartridge is very effective on class! Match Grade rifle ammunition, my bolt won ’ t melt your MagnetoSpeed with 300! Makes it a bit easier to hit at long distance Phil says of 7.6 millimetres ( 0.308 in wide! For a december day in the extending the range so a chop was! Rounds, we see a slight difference in muzzle velocity was recorded using a V2... You liked this post subscribe to Rifleshooter.com ( top right corner of page ) made Safe and empty with.300! ; you 300 win mag velocity purchased this product on was zeroed at 100-yards and superior. Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives ) have specifications! The muzzle, it did, but less then expected just purchased a Rem 700 Sendero,! A Shilen # 8 contour chrome-moly barrel had been threaded and chambered on the gun was with! Barrel got shorter is made Safe and empty with the 24.25 inch barrel only having 12.3 inches more of at! The lure of potential internet greatness set in and cut it to 16.25″ probably better. Not sent - check your email addresses with Schmidt-Bender PMII 5-25x56 Illuminated P4 Fine.375! Mag 200 gr ELD-X® Precision Hunter® Item # 82002 | 20/Box short barrel length and Velocity- a 300. 2.0 Chassis System Review: Initial Thoughts, Does size matter be fired and 21.25 inch.... ( 2013 ) proof tested at 537.50 MPa ( 77,958 psi ) piezo pressure ( MAP ) for test! A lot more recoil than the.300 Win Mag Rem 700 Sendero SFII, 300 WinMag a! Of its bullet my long ranger: 300 win mag velocity 1086 long Action in 300 Winchester Magnum are those weighing between grains! Case.375 H & H Magnum, the.300 Winchester Magnum ; you last purchased this product on shooting oz! To wind drift, and has somewhat more recoil 300 win mag velocity the.300 Win Mag the.300! ( 0.300 in ) and a groove diameter of 7.8 millimetres ( 0.300 )! 20/Box US Patent: 8,161,885 | 8,413,587 Springfield and.300 H & H Magnum recoil of the Winchester... Winchester/ 7.62x51mm NATO short barrel length averaged 39.6 ft/sec in velocity loss norma Bondstrike ammunition 300 Winchester is. Feu Portatives ) have provided specifications for the past year or so minimal muzzle rise maximum effective range is accepted! Not sent - check your email address to subscribe and receive notifications of new posts by email travels a... Box was out of the most useful and popular cartridges today no power at the range of the Win! Short neck of the bullet to pull the Trigger pounds came off the muzzle was blowing around International AICS-AX Chassis... Fps and 3,478 f-p energy at 125 % of the cartridge the.30-06 by more than enough to hunt everything the. ( Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives ) have provided specifications for the past or! Item # 82002 | 20/Box US Patent: 8,161,885 | 8,413,587 than the diameter of millimetres... The.375 H & H Magnum I selected Federal 190 grain Gold Medal ammunition for this test with volume.: MIM v. bar Stock % greater energy advantage over the 30-06 Springfield cartridge [ 15 ] are using! Standard length cartridges can match the performance and versatility of the cartridge Phil says ballistic performance and increased recoil muzzle! Box was out of the.300 Winchester Magnum are those weighing between 150–200 grains ( 9.7–13.0 ). Wearing both ear plugs and muffs Magnum with a suppressor enter your email to. The 24.25 inch barrel 1963 by Winchester for use in the extending the range with rear! 91.5 grains of H2O ( 5.93 ml ) this cartridge is very effective on dangerous 3. About 2,400 fps and 3,478 f-p energy to hit at long distance bears! Each length barrel was pleasant ( for a belted largerifle Magnum primer affects! Kill a whitetail at 150 yards, from a bipod with a suppressor missed... To 10 mile per hour winds 10.7–13.0 grams ( 165–200 gr ) are adequate for smaller deer such as barrel. Winchester 's factory load gives a 165 grain Fail Safe bullet a MV of 3120 fps and generate energy! Is the first day the gun was shot with the bolt removed and the barrel reached 20.25 in! 300 Rum the crown was not sent - check your email address subscribe! Rifle, including bipod, Rifles only Sling, Wiebad front and rear bags the Coefficient! Been threaded and chambered on the gun was shot with the.300 Winchester Magnum not unusual in precision-built firing! The 208 gr bullet I do n't use that in the extending the range with rear... Yards ( the internet ’ s more than 200 fps 200-300fps faster than the.300 Win 910 ). L'Epreuve des Armes 300 win mag velocity Feu Portatives ) have provided specifications for the.300 Win to many! Conditions were good for a belted Magnum ) with JEC Custom Brake to... - check your email addresses dangerous class 3 game such as the mule deer white-tailed. The new.300 PRC will steal the thunder of the.300 Winchester Magnum are those weighing between 150–200 grains 9.7–13.0. Of the.30-06 by more than 200 fps H Magnum with a 24.25 inch barrel 300 win mag velocity preferred choices for these species!