Bolt and carrier assemblies provide smooth, efficient cycling and improved reliability in any AR-15 application. Precision machined from the highest quality ordnance-grade steels to current military—or higher—tolerances, then hardened and magnetic particle inspected to ensure there are no microscopic cracks or flaws that could lead to premature failure. Bolt made from high-strength Carpenter 158 steel alloy is heat-treated for exceptional surface hardness to handle the battering of thousands of cycles. Includes extractor, gas rings, ejector, pins, and springs; does not include firing pin. Carrier of 8620 steel is chrome lined to ensure smooth bolt function and superb wear resistance for years of reliable service. Comes with chrome-lined carrier key installed. Complete Kit includes bolt and carrier assemblies, plus the firing pin, cam pin, and firing pin retaining pin.
SPECS:
Steel, parkerized, dark gray, matte finish.
Catalog page 11