Your Cart

  • Your cart is empty



CMMG AR Mk4 Upper Receiver Assembly 55BA22C

Product Code : 815835012568


Mfg Item #: 55BA22C

CMMG's Upper Receiver Assembly is made from forged 7075 T6 AL, and ships with dust cover and forward assist assembly installed. The Mk4 platform accepts standard AR15-style magazines, and is the most versatile of the CMMG platforms, especially with the .22 LR, 5.7x28mm (Conversion), and 9mm conversions. NOTE: Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.

SeriesUpper Receiver Assembly
SightsNone, Optic Ready
Caliber223 Rem
Barrel Length223
Barrel Material7075 Aluminum

Determined at checkout.