BUSHMASTER® XM-15 3-GUN ENHANCED CARBINE •Mid-length gas system •Crimson anodized aluminum receivers •Boron Nitride bolt carrier group •Bravo Co. charging handle •Ambi-selector switch •Timney trigger •Enhanced trigger guard •416 match grade stainless steel threaded (1/2"-28TPI) barrel w/Rolling Thunder compensator •1:8" twist •15" AP custom carbon-fiber free-float handguard tube •Black Magpul® MOE® stock & MIAD® grip •Arrendondo mag. release •No sights •Ideal for competition •OAL: 37.5" •Wt.: 7.75 lbs. Cal.: 5.56 NATO - Cap.: 30 - Brl: 16"