Mark 2: Commando


When selecting a Rail option, please select either a M-LOK Rail or a Quad Rail and select the ‘None’ option on the rail that you do not want.


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Chambered in .300 blk with a bloodline 16-inch Rosco Manufacturing heavy black nitride barrel with a 1:8 twist and a pistol-length gas system. This works on a normal carbine AR-15 lower. A great choice for hunting with your AR-15. It is light recoiling and cycles regular hunting ammunition well. We do not offer an adjustable gas block for the Commando because these are tailored to run subsonic and supersonic. We only suggest using this upper on a carbine style lower receiver.

Additional information

M-LOK Rails

None (select if selecting a Quad Rail), Bravo 7.5-inch, Bravo 10.5-inch, Bravo 15-inch (raw aluminum), Midwest Industries 8-inch, Midwest Industries 10.5-inch, Midwest Industries 11.5 in, Midwest Industries 15-inch

Quad Rails

None (select if selecting an M-LOK Rail), 8-inch Quad Rail, 10-inch Quad Rail, 12-inch Quad Rail, 15-inch Quad Rail


Carbine Buffer, None

Dust Port Cover

American Flag, Strike Industries, GI Issue