Description
Wilson Combat Bolt Carrier Assembly Features Manufactured by our finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts we use as the basis of our renowned custom rifles! Our bolt is precision machined from aerospace grade 9310 tool steel, shot-peened for increased strength and 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. Wilson Combat Bolt Carrier Assembly Specifications Manufacturer: Wilson Combat Family: Accessories Model: Bolt Carrier Assembly Type: Accessory-bolts Caliber/gauge: 223 Rem | 5.56 Nato Finish: Polished Nickel Finish Type: Other Finish Shipping Weight: 0.75 Lbs. Addl Info: Low Mass