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SKU: GAG_RES-CMMG55CA634
CMMG AR-15 RECEIVER EXTENSION AND STOCK KIT - CARBINE 6 POSITIONa Combine this kit w/your choice of lower parts kit to complete your lower groupa Includes CMMG receiver extension buffer assembly action spring & butt stock assemblya Carbine 6 position receiver & butt stock assemblya MIL-SPEC