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A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and at law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...
The first project undertaken by the company was an injection molded AR-15 rifle lower receiver. The company then moved to AR-10 style rifle lower receivers, and finally pistol receivers. [ 14 ] The name of the company refers to the injection molding process combined with the common designation of unfinished receivers as "80% receivers".
Magpul created a larger variation of their PMAG magazine, called the "Black Widow," with a blood-red follower for the 6.8mm round. The upper and lower receivers were developed specifically to fit this Magpul magazine and optimized around the 6.8×43mm round. The flagship model of the Six8 series is the UCIW which features an 8.5-inch barrel.
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The carbine used the same upper and lower receiver as the M16A1, [16] and fires the M855 cartridge along with the older M193 cartridges. In 1983, the 9th Infantry Division requested a Quick Reaction Program (QRP) for a 5.56mm carbine to replace the M1 carbine and M3 submachine gun in service.
They also have been fighting the 475-acre Tioga fire, which is estimated as being 80% contained. The wildfire was first reported just after 6 p.m. Saturday on the ridge overlooking Rocky Top near ...
To achieve this, the RS-68 has 80% fewer parts than the multi-launch RS-25 Space Shuttle Main Engine (SSME). [4] The adverse consequences of this simplicity were a significantly lower thrust-to-weight ratio and a 10% lower specific impulse compared to the SSME. The benefit of this simplicity is the RS-68's reduced construction cost. [4]
From January 2008 to April 2011, if you bought shares in companies when Robert N. Burt joined the board, and sold them when he left, you would have a -8.5 percent return on your investment, compared to a -7.3 percent return from the S&P 500.
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