CMMG Sierra 16" .22 LR Low Profile GB Upper - 22B7CC2
- Caliber: .22 LR
- Twist: 1:16
- Barrel: 16 in Carbon Steel Barrel
- Thread Pitch: 1/2x28
- Muzzle Device: A1 Flash Hider
- Gas Deflector
- Low Profile Single Rail Gas Block
- Picatinny Railed, Low Profile Front Sight Base
- Mil-Spec M4 Receiver with Ceramic Finish
The Sierra .22 Caliber AR-15 upper maintains compatibility with all the same parts and accessories that fit your full caliber AR's, including the lower receiver. Installed with a 16 inch WASP Melonite Coated CM steel barrel with M4 contour. Compatible with black dog machine and CMMG magazines.
*Comes with non-functional forward assist plug. May be upgraded to fully functional forward assist.
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