Brownells 75th Anniversary - A Shooting Heritage
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Mil-Spec Dimensions For Drop-In Fit; MPI Inspected For Soundness

Complete bolt/carrier assembly comes ready to drop in your rifle—ideal as a replacement, in a custom build, or as a backup for extra insurance during competition. Machined from high-grade 8620 carbon steel to mil-spec dimensions, with hard-chrome plated steel firing pin and chrome-lined, staked gas key for added durability. Carrier is notched for forward assist. Magnetic particle inspection (MPI) during manufacture ensures each component is solid and free of internal flaws. Parkerized mil-spec finish.


AR-15, Issue:11, Page:012
Big Book Catalog, Issue:69, Page:011

8620 steel. Parkerized mil-spec finish.

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Cartridge: 223 Remington

Finish: Matte Black