.300 Winchester Magnum

.300 Winchester Magnum

Infobox Firearm Cartridge
name=.300 Winchester Magnum


caption=.300 Win Mag, third from right
origin=flagcountry|United States
type=Rifle, Large game
designer=Winchester Repeating Arms Company
design_date=1963
parent=.300 H&H Magnum
case_type=Rimmless, bottleneck
bullet=.308
neck=.339
shoulder=.489
base=.513
rim_dia=.532
rim_thick=.049
case_length=2.62
length=3.34
case_capacity=
rifling=1:10
primer=Large rifle
max_pressure=62366
max_cup=54,000
velocity=
energy=
bw1=165
btype1=Nosler partition
vel1=3050
en1=3408
bw2=180
btype2=Nosler partition
vel2=2960
en2=3502
bw3=190
btype3=BTHP
vel3=2900
en3=3548
bw4=150
btype4=SP
vel4=3290
en4=3605
bw5=200
btype5=SP
vel5=2700
en5=3237
test_barrel_length=24 in
balsrc= Federal Cartridge [ [http://www.federalcartridge.com/ballistics/ Federal Cartridge Co. ballistics page] ] / Rifle Sporting Firearms Journal cite journal | last =Haviland | first =John | title = .300 Winchester Magnum | journal = Rifle - Sporting Firearms Journal | volume = Volume 39, Number 5 | issue = No. 233 | pages = 34,101 | month =September | year =2007 | id = ISSN 0162-3593 ]

.300 Winchester Magnum (known as .300 Win Mag or in metric countries as 7.62 × 67 mm) is a popular magnum rifle cartridge that was introduced by Winchester Repeating Arms Company in 1963 as a member of the family of Winchester Magnum cartridges. It is an accurate, long-range round with a relatively flat trajectory.

Performance

The .300 Win Mag is a cartridge for large game hunting and long range shooting. It sees use in long range benchrest competition and has been adopted by Law Enforcement Marksman and by a few specific branches of the US Military for use by their snipers. Maximum effective range is generally accepted to be 1210 yards (1097 m) with ammunition incorporating low drag projectiles. Sub 1 minute-of-angle (MOA) accuracy out to 1000 yards (914 m) is not unusual in precision built rifles firing match grade ammunition. Velocity with a 180 grain projectile at max powder charge and 24" barrel is 2975 ft/s ±25 ft/s (907m/s ±7.6m/s).

Recoil from the .300 Win Mag is high, much higher than the .30-06 Springfield. Remington has made low-recoil rounds called "Managed-Recoil" available, that kick less and provide performance similar to the .300 Savage.

Other information

Like the other members of Winchester Magnum family, the cartridge is based on a shortened version of the H&H casing.2002, "Lyman Reloading Handbook, 48th Edition"]

The .300 Win Mag remains the most popular .30 caliber magnum with American hunters, despite being eclipsed in performance by the more powerful .300 Weatherby Magnum and newer .300 Remington Ultra Magnum. It is a popular selection for hunting Elk, because it delivers better longer range performance than non-magnum .30 caliber cartridges.

The .300 Winchester Magnum is fired by an uncommon sniper rifle manufactured by Walther, the WA 2000.

Military applications

*flag|Germany - Bundeswehr G22

ee also

* List of rifle cartridges
* 7 mm caliber
* List of individual weapons of the U.S. Armed Forces

References


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