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41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common variant stylings include chrome-moly, cro-moly, CrMo, CRMO, CR-MOLY, and similar).
Barrels and shrouds were constructed of chrome moly steel. Despite the success of the revised design and new caliber offerings, Dan Wesson Arms experienced significant upheaval and ownership changes after Wesson's death in 1978. The original Monson facility and production equipment became outdated, and production costs of the gun reduced profits.
The AR-30 features a 5-round detachable box magazine. The weight is 12 pounds empty. It includes a 26-inch chrome-moly barrel, 6-groove, RH 1:10-inch twist, and 48 inches overall length. The receiver is modified in octagonal form, drilled, and slotted for a scope rail. The bolt is a dual front locking lug.
Created Date: 8/30/2012 4:52:52 PM
Most Bushmaster barrels were 4150 steel, offered in 1:9 twist rate, and chrome-lined to increase durability. Some barrels were available with 1:7 rifling on special order. Stainless steel or chrome molybdenum barrels were available on certain models.
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The SOCOM 16 and SOCOM II are largely identical to the standard M1A, but feature a 16.25-inch (413 mm) barrel, rather than the standard model's 22-inch (560 mm) barrel. The specially designed muzzle brake is designed to reduce the increased recoil produced by the shorter barrel.
Free Coffee for Veterans. Here are some places offering free cups of Joe, or if you're inclined, a latte. No shame. Biggby Coffee: Veterans and active-duty service members receive a free 16oz ...