Ar-15 Bolt Carrier Assembly 5.56 Nato - M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride

Ar-15 Bolt Carrier Assembly 5.56 Nato - M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride - Wilson Combat
Brand Wilson Combat
MPN TR-BCA-SBN-556
UPC 810025500757
Caliber 5.56×45mm NATO
MSRP $185.95
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Description
Manufactured by Wilson Combat’s finest domestic Mil-Spec contractors, these are among the best 5.56 AR rifle bolts on the market and the same bolts they use as the basis of our renowned custom rifles! Wilson Combat’s bolt is precision machined from Carpenter No. 158 steel, shot peened for increased strength and a includes a tool steel extractor and ejector, appropriate extractor spring, and is MPI (Magnetic Particle Inspected and randomly batch HPT (High Pressure Tested) .  The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec Parkerized externally and internally chrome lined the 8620 steel carrier includes a proper machined Mil-Spec gas k Mfg: Wilson Combat