BUSHMASTER®ACR® SBR•Black finish•SBR (Short Barreled Rifle) version of the ACR (Adaptive Combat Rifle) •Fully modular system gives you the ability to change barrel/caliber stock & handguard in less than 2 minutes without tools •Adjustable 2-position gas piston system •Multi-caliber bolt carrier assembly •Monolithic aluminum upper receiver with full-length MIL-STD 1913 Picatinny top rail •Reversible non-reciprocating charging handle •Free-floated Melonite-treated 4150 CMV steel barrel •AAC® Blackout flash hider (51T adapter included) •High-impact composite lower with textured mag well & modular grip storage •Tri-rail aluminum hanguard •Ambidextrous fire controls •Folding telescoping stock with rubber butt pad & sling mount •PMAG® included
