Works on the SR25 platform, AM-10, DPMS, POF, CMMG, etc; bolt carrier is chrome lined and made from 8620 steel, bolt is made from 9310 steel, each bolt is shot peened and MPI tested, phosphated finish, chrome lined gas key staked properly, cam pin, chrome plated firing pin, retaining pin, ready to drop in your upper! Weight: .72 lb
