Colt AR6721 Carbine AR-15 Semi-Auto 223/5.56 16.1″ HB 30+1 4Pos Stk Blk

The Colt AR6721, an AR-15 A3 tactical carbine, is used as a patrol rifle with tactical accuracy by federal, state, and local agencies. The AR6720 features a 16.1″ heavy barrel with a 1:9 twist, which allows for flexibility in ammunition selection. It comes with a flattop receiver with an optics-ready rail, Magpul MBUS, and a 30-round PMAG.