Bushmaster ACR 5.56 NATO

•16 ½"" cold hammer-forged barrel with innovative coating for extreme long life •AAC Blackout non mount flash hider with exceptional signature reduction •Adjustable, two-position gas-piston-driven system, for firing suppressed or unsuppressed •Tool-less quick-change barrel system available in 10.5"", 14.5"", 16.5"" and in multiple calibers •Multi-caliber bolt carrier assembly quickly and easily changes from 223/5.56mm NATO to 6.8mm Rem SPC •Free-floating MIL-STD 1913 monolithic top rail for optic mounting •Fully ambidextrous controls include magazine release, bolt catch and release, fire selector and non-reciprocating charging handle •High-impact composite lower receiver with textured magazine well and modular grip storage •Folding and six-position telescoping high-impact polymer stock with rubber butt pad and sling mounts •Magpul MBUS front/rear flip sights •Ships in oversized hard case for accessory storage, includes 30-round PMAG •Three-sided aluminum hand guard with integral MIL-STD 1913 rail for accessory mounting •2-point push button sling •One Year Bushmaster Warranty