PRECISION AR15, AR10, & 9MM BOLT CARRIER GROUPS

A precision machined bolt carrier group (BCG) from AR15Parts.com will ensure smooth, reliable cycling of your AR15, AR10/LR308 or AR9/PCC through many rounds.  We offer excellent components in Phosphate, Nitride, and Nickel Boron for all popular calibers.

Our Bolt Carrier Groups are manufactured to our specifications by top US manufacturers including Aero Precision, JP Enterprises, Swan Machine, ToolCraft (PSA), and ZRO Delta.


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