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The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action.
Little is known of its usage or technical data, and pictures are rarely available. The pictures that have been released show a Remington 700 Long-Action receiver mated to a McMillan A2 stock. The rifle was chambered in .300 Winchester Magnum. The rifle was the most prolific sniper weapon in the Navy until the advent of the Mk 13 Mod 5.
The Remington model 770 is a magazine fed, bolt action, center-fire rifle. The 770 is available in 243 Win, 270 Win, 7mm-08 Rem, 7mm Rem Mag, 30-06 Sprg, 300 Win Mag, and 308 Win. The standard, factory magazine can hold up to 4 rounds (3 rounds in the magnum version) plus 1 loaded directly into the chamber.
According to the U.S. Navy, this ammunition should increase the maximum effective range of .300 Winchester Magnum sniper rifle systems to 1,370 m (1,500 yd), decrease wind deflection on bullets in flight and use a reduced muzzle flash propellant that remains temperature stable across an operational temperature range of −32 to 74 °C (−26 to ...
Based on the same principles as the Remington 700 series, the Model 710 uses a centerfire bolt-action cartridge, a 3-lug bolt system as opposed to the Remington 700's dual opposed locking lugs, with a 4-round detachable magazine (or a 3-round for the 7 mm Remington Magnum and the .300 Winchester Magnum). All can be equipped with a bipod and ...
The .300 WSM also head-spaces off of the case shoulder, versus the older .300 Winchester Magnum's belted head space design. The advantage to this round is the ballistic performance is nearly identical to the .300 Winchester Magnum [ 2 ] in a lighter rifle with a shorter action burning 8 - 10% less gunpowder.
ArmaLite announced the introduction of the AR-31 at the National Association of Sporting Goods Wholesalers Expo in October 2013. The AR-31 is a short-action rifle based on the long-action AR-30A1. The initial rifle offered was chambered in .308 Win, and the rifle will accept AR-10B magazines. [5]
Since 1998 the Bundeswehr fields an AWM-F chambered in .300 Winchester Magnum (7.62 × 67 mm in Bundeswehr nomenclature), with a 3–12×56 SSG telescopic sight made by the German company Zeiss, under the designation of G22 (for Gewehr 22) or Scharfschützengewehr 22 (sniper rifle 22). The German G22 rifles have folding stocks and emergency ...