The Wilson Combat 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 key that is chrome lined, phosphated and heat treated per GI specifications. It is secured to the carrier via Grade 8 fasteners and properly staked in Wilsons shop during final inspection. These precisely machined, finished and hardened parts will ensure long term proper gas system functioning and reliability.
MPN: TRBCA
UPC: 874218067922
Brand: Wilson Combat
Department: Firearm Parts » Bolt Carrier Assembly » 5.56 NATO Parkerized
Wilson Combat Firearm Parts Bolt Carrier Assembly 5.56mm Steel Black Parkerized [TRBCA]
Type: Bolt Carrier Group
Model: TR-BCA
Size: 5.56mm
Material: Steel
Hammer Type: Black Parkerized
Application: Replacement
Notice:
Product description information above is provided by the manufacturer and may contain typographical errors, and/or out-dated information. If you have questions or concerns about the product information, please contact us Here **