LWRCI next evolution of their renowned Individual carbine family is the IC-MKII. Features updated design of the upper receiver and the adoption of the M-LOK mounting system for the handguard. The two position, adjustable gas block was updated to a paddle style and is now located inside the rail, easily accessed to select suppressed or unsuppressed. The proprietary Short stroke gas piston operating system delivers unmatched reliability in extreme conditions and is easy to maintain. MKII model is offered in a pistol configuration with a 10.50" barrel and fitted with a SBA3 Brace.Caliber 223 Rem / 5.56 NATOBarrel Length Range 10" to 10.99"Operating System Gas PistonStock Material PolymerSights Flip Up Front & RearBarrel Finish Black NitrideBarrel Material SteelTwist 1:7"Receiver Description Picatinny RailGrips Black PolymerHandguards M-LOKStock Description SB Tactical SBA3 BraceBarrel Description ThreadedBarrel Length 10.50"Receiver Finish Patriot BrownStock Finish Black