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SONS OF LIBERTY GUN WORKS BOLT CARRIER GROUP 5.56

$179.00
(No reviews yet)
UPC:
400100000822
The bolt-carrier group is at the heart of the AR-15, and its quality and function can mean the difference between a high-performance fighting rifle and a jam-o-matic. The Sons of Liberty Gunworks Bolt Carrier Group is a dedicated design for any AR-15 that uses high-quality materials and components to ensure the best possible performance in your gun. Each Sons of Liberty Gunworks AR-15 Bolt Carrier Group includes components made from a number of cutting-edge materials. The bolt itself is machined from Carpenter Technology No. 158 steel, which is heat-treated to military specifications, shot-peened, vibratory tumbled, and full-auto test fired in a complete assembly to ensure performance. The carrier itself is machined from AISI 8620 alloy steel and features a full-auto profile. The carrier is heat-treated, carburized, and stress-relieved. The interface surface with the gas key is precision-ground to ensure a good fit. The gas key on the Sons of Liberty Gunworks AR-15 Bolt Carrier Group is fitted with Permatex-sealed Grade 8 hex screws, which are torqued and staked to military specs. All other carrier components are made from high-grade materials, and the extractor spring features a Sprinco 5 coil chrome-silicon wire complete with a synthetic elastomer extractor buffer.

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