Ar 15 Complete Bolt Carrier Group Manganese Phosphate, Ar 15/m16 Full Auto Complete Bolt Carrier Group Manganese Phosphate, Made in USA
American made, this product is just what your build needs to keep you shooting, day in and day out. Your satisfaction is guaranteed.    M16 STYLE CHROME LINED CARRIER MADE FROM 8620 STEEL    MPI TESTED BOLT MADE FROM 9310 STEEL (EVERY SINGLE BOLT IS MPI TESTED)    FIRING PIN CHROME PLATED    FIRING PIN RETAINING PIN    CAM PIN    GAS KEY CHROME LINED    COMES COMPLETLEY ASSEMBLED, PROPERLY STAKED GAS KEY, AND READY TO DROP IN YOUR UPPER.    223/556 Complete Bolt Carrier Group    DCA RED X ARMS BOLT CARRIER GROUP