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The AR-15 rifle usually comes chambered for either the military cartridge 5.56×45mm or the .223 Remington. Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [1]
The below table gives a list of firearms that can fire the 7.62×39mm cartridge, first developed and used by the Soviet Union in the late 1940s. [1] The cartridge is widely used due to the worldwide proliferation of Russian SKS and AK-47 pattern rifles, as well as RPD and RPK light machine guns.
The 7.62×39mm (also called 7.62 Soviet, formerly .30 Russian Short) [5] round is a rimless bottlenecked intermediate cartridge of Soviet origin. The cartridge is widely used due to the global proliferation of the AK-47 rifle and related Kalashnikov-pattern rifles , the SKS semi-automatic rifle, and the RPD / RPK light machine guns.
The Mk47 was publicly announced for a release in 2014. [2] [3] In 2015, CMMG released its first production Mk47s to stores throughout the US.[4] [5]According to CMMG Production Manager Tyson Bradshaw, he mentioned that CMMG made the rifle due to the need of "consumers to have a reliable, U.S.-made rifle that could properly handle the dimensions of the 7.62×39mm cartridge.
They were loaded in 5-round stripper clips in M1 bandoleers (holding 6 × 5-round clips in cardboard spacers, or 60 rounds each) packed in US Navy 20mm Mark 1 metal ammo chests (33 × 60-round bandoleers; or 1980 rounds each).
The 300 AAC Blackout was designed to achieve energies similar to the 7.62×39mm Soviet in an AR-15 while using standard AR magazines at their full capacity. The 7.62 Soviet's cartridge taper prevented reliable feeding in AR magazines and created wear on the bolt. From the 14.5 in (370 mm) barrel of the M4 carbine, the M855 5.56×45mm round has ...
The 7.62×40mm Wilson Tactical (7.62×40mm WT) is a centerfire rifle cartridge introduced in 2011 by Wilson Combat. The goal was to produce an accurate, low-recoil.30-caliber hunting cartridge that could be used in an AR-15-type rifle using as many standard components as possible.
Olympic was the first in the industry to offer AR-15-style firearms in 9×19mm and .45 ACP, 10mm Auto, 7.62×39mm, and the Winchester Super Short Magnum cartridges. [ 1 ] In late 1987, the company purchased Phoenix, Arizona-based M-S Safari Arms, adding the M1911 pistol to its lineup under the name Safari Arms.