Bushmaster's ACR caliber conversion barrels allow the Adaptive Combat Rifle to take on new challenges, improving on functionality and modularity. With tool-less disassembly allowing quick caliber change options, the ACR is one of the most field adaptable MSR platforms. Made of FNC-treated 4150 CMV steel, this conversion barrel includes the barrel assembly, bolt, and magazine.
This 6.8 Remington SPC II offers increased energy for down-range performance. It is a carbine-length barrel of 16.5" with a 25-round capacity.