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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.
List of Winchester Center Fire rifle cartridges. More commonly known as WCF, it is a family of cartridges designed by Winchester Repeating Arms Company. [1] There are many other Winchester cartridges that do not carry the WCF moniker, such as the .300 WSM. .270 Winchester, and .300 Winchester Magnum
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.
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 ...
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.
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 ...
Variants of the company's bolt-action rifles use .338 Lapua Magnum and .300 Winchester Magnum ammunition. Semi-automatic variants are available in 7.62 NATO , 5.56 NATO and .300 BLK . In September 2016, the company began selling the M1400, a squad-level .338 Lapua bolt-action rifle that can hit targets out to 1,400 yards (1,280 m).
Additional features of the MRAD include a single-button length-of-pull adjustment, adjustable cheek rest height, a polymer bolt guide which acts as a dust cover to reduce debris entering the action, a user reversible AR-15 style safety, an ambidextrous magazine release, and the ability to accept standard M16/AR15 style pistol grips. [1]