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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.
| Width | 4.5000 |
|---|---|
| Height | 2.2000 |
| Length | 9.1000 |
| Closeout | YES |
| Material | ALUMINUM |
| Dimension | 2.20 X 4.50 X 9.10 |
| Typecolor | UPPER RECEIVER |
| Sizefinish | BLACK MATTE |
| Ar15 Accessory | Y |
| Other Features | INCLUDES FORWARD ASSIST AND EJECTION PORT COVER ASSEMBLIES, ALUMINUM UPPER RECEIVER |