CMMG Mk4,22LR,Mk9 Upper Receiver (55BA222)

4140 CrMo steel barrelM4 Profile barrelSingle stage mil-spec style triggerForged 7075-T6 receiverBlack Finish CMMG Complete Upper, 9MM, 16in Barrel, Flat Top, A2 Front, (90B1AA2) CM

Precise ManufacturingLong Term ReliabilityDurable Construction The CMMG AR-15 Anti-Tilt Magazine Follower can replace the current follower in any of your AR-15 and M16 magazines. The follower...

Fits an AR15

Bolt: 9310 Steel, Phosphate FinishExtractor: 4140 Steel, Phosphate Finish CMMG prides themselves on flawless workmanship so every part purchased will function flawlessly and the CMMG AR15 Bolt...