Brand new AR15 Bolt Carrier Group, P/N XP-BCG-M16-P. They are usually $140 plus shipping.BCG1a.jpgBCG2a.jpgExpo Arms 5.56 NATO Complete MIL-SPEC M16 _ AR-15 Bolt Carrier Group - Phosphate.pdf YORK, PAExpo Arms 5.56 NATO M16 _ AR-15 Bolt Carrier Group - Phosphate.pdf