13.7 BCM P/W Upper Listing ID: 3119604

13.7 upper with BCM QRF12, over a middy Dirty Bird 13.7 melonited 416R SPR barrel, BCM gas block. Upper was lapped barrel was bedded. New SOLGW NOX muzzle device P/W, mil-spec CH, Microbest MPI nitride BCG. BCM KAG. Exactly 250 rounds through it.

978-2o1-o82one