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| .300 Winchester Magnum colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;"
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| 300px
.300 Win Mag, third from right Type Rifle, Large game Place of origin Flag of the United States United States
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| Production history Designer Winchester Repeating Arms Company Designed 1963 colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;"
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| Specifications Parent case .300 H&H Magnum Case type Rimmless, bottleneck Bullet diameter .308 in (Expression error: Unexpected < operator.
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 mm
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Neck diameter .339 in (Expression error: Unexpected < operator.
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 mm
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Shoulder diameter .489 in (Expression error: Unexpected < operator.
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 mm
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Base diameter .513 in (Expression error: Unexpected < operator.
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 mm
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Rim diameter .532 in (Expression error: Unexpected < operator.
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 mm
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Rim thickness .049 in (Expression error: Unexpected < operator.
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 mm
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Case length 2.62 in (Expression error: Unexpected < operator.
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 mm
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Overall length 3.34 in (Expression error: Unexpected < operator.
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 mm
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Rifling twist 1:10 Primer type Large rifle Maximum pressure 62,366 psi (Expression error: Unexpected < operator.
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 MPa
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Maximum CUP 54000 CUP colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;"
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| Ballistic performance Bullet weight/type Velocity Energy style="vertical-align:middle; border-bottom: 1px dotted #aaa;
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Test barrel length: 24 in
Source: Federal Cartridge [1] / Rifle Sporting Firearms Journal [2]

.300 Winchester Magnum (known as .300 Win Mag or in metric countries as 7.62 x 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 Edit

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 Marksmen and by some 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 strong, much more 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.[2]

Other information Edit

Like the other members of Winchester Magnum family, the cartridge is based on a shortened version of the H&H casing.[3]

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.[2] It is a popular selection for hunting Elk, because it delivers longer range performance than non-magnum .30 caliber cartridges.

Military applicationsEdit

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- Bundeswehr G22

CategoriesEdit

Cartridge:rifles
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