CMMG AR-15 M4 Flat-Top Upper Assembly 5.56x45mm NATO 1 in 7" Twist 14.5" Barrel Carbine Gas System Chrome Moly Matte with M4 Handguard, A2 Front sight, Permanent Flash Hider
- Upper Receiver: A3 Flat-Top
- Barrel Length: 14.5"
- Barrel Contour: M4
- Barrel Material: Chrome Moly Steel
- Chrome Lined: Yes
- Barrel Finish: Parkerized
- Twist Rate: 1 in 7"
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Muzzle Device: Permanently attached Phantom Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: Polymer M4-Style
- Sights: Mil Spec A2 "F" Marked Front, No Rear
NOTE: All CMMG uppers are test fired at their facility before shipment to the end user.
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
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