CMMG's Mk4LE Optics Ready model is set up for your favorite scope or red dot sight as it has no fron..
CMMG Upper Complete that is built off of the standard forged A3 receiver with M4 feed ramps. The bar..
CMMG Lower, with internals and buttstock, 9mm..
9mm M4 CMMG Complete Upper. Featuring Mil-Spec A3 Receiver, 4140 WASP Barrel with 1:10 twist. The 9m..
This is a complete upper 300 AAC Blackout. Featuring a carbine length handguard, "F" marked front si..
CMMG's 25-round capacity magazine is compatible with CMMG 22ARCs. It is desgined for use with 22LR A..
CMMG basic upper, the Mk4 LE features a nitrided 16.1" 4140 CrMo steel barrel in a M4 profile. The s..
CMMG's AR drop in conversion kit allows you to shoot .22LR with the bolt carrier group from your 5.5..
This AR converstion kit is made of stainless steel, includes a anti-jam charging handle, cleaning ja..
Swapping your bolt carrier group with a CMMG Conversion Bolt Group takes only seconds to install and..
The CMMG Mk4 rifle line in 22 Nosler is engineered to deliver on this exciting new caliber's promise..
The MK4 PDW is a small, compact pistol equipped with the RKM7 KeyMod free floating hand guard and a ..
When modularity, affordability, and quality are all important the Mk4 T is the upper of choice. The ..
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