Premium nickel boron-coated bolt carrier assembly machined from aerospace-grade 9310 tool steel. Features hardened 8620 carrier, properly staked gas key, and forward assist cuts for reliable 5.56 NATO performance.
The Wilson Combat Bolt Carrier Assembly represents the gold standard in AR-15 reliability and durability. Built to the same exacting specifications used in Wilson Combat's fully-assembled rifles, this component delivers the performance and dependability that serious shooters demand.
Aerospace-Grade 9310 Tool Steel: The bolt is precision machined from premium aerospace-grade material, providing exceptional toughness and longevity under demanding conditions.
Hardened 8620 Steel Carrier: The carrier body is manufactured from hardened 8620 steel and features forward assist cuts for added reliability and positive engagement.
Nickel Boron Coating: A polished nickel boron finish provides superior corrosion protection and dramatically simplifies cleaning and maintenance. The slick coating reduces fouling and enhances bolt cycling reliability.
This is a component you can trust in any condition, from the range to the field.