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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.
The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM, is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced.
Chambering such powerful super magnum cartridges in rifles intended for normal magnum rifle cartridges and using P max loads can cause serious or fatal injury to the shooter and bystanders. A rifle that theoretically could safely be chambered for the 94.5 mm long .300 Lapua Magnum is the bolt-action SAKO TRG-42. This rifle was designed for .338 ...
The Browning BLR is a lever-action rifle manufactured for Browning Arms Company by Miroku Firearms in Japan.It comes in many different variations and is chambered in numerous calibers from small and fast (.22-250 Remington and .243 Winchester) to the large Magnum rounds (7mm Remington Magnum, .300 Winchester Magnum), and the large bore .450 Marlin.
Also, the available .300 Winchester Magnum ammo that was procured sometimes misfired due to incompletely-burned propellant in the longer cartridge. Redick Arms Development further researched this concept, which eventually grew into the RAD M91A1 (7.62x51mm NATO) and M91A2 (.300 Winchester Magnum). These rifles were adopted by the US Navy SEALs.
A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [ clarification needed ] The term derives from the .357 Magnum , the original revolver cartridge with this designation.
Compared to the AW, the AWM has a longer bolt to accommodate larger magnum-length cartridges such as the .300 Winchester Magnum and the .338 Lapua Magnum. The bolt head, locking ring, and extractor and magazines were also revised to work with the increased size and operating pressures of magnum rifle cartridges.
This was acceptable for shooting at materiel, but not people. The XM2010 addressed the problem with a .300 Winchester Magnum round that can hit targets out to 1,200 m (1,312 yd) with a 1 MOA accuracy, half again further than the M24's 800 m (875 yd). On 20 September 2010, the Army gave Remington a $28 million contract to rebuild 3,600 M24 rifles.