Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
AR15 Barrels
CMMG BBL 300BLK 16.1″ MT 4140CM SBN
$202.71
CMMG BBL 300BLK 16.1″ MT 4140CM SBN
Out of stock
| Type | Rifle |
|---|---|
| Manufacturer | CMMG |
| Model | Barrel Sub-Assembly |
| Caliber | .300 AAC Blackout |
| Barrel Length | 16.1" |
| Rate of Twist | 1:7" |
| Color | Black |
| Length | 16.10" |
| UPC | 815835016238 |
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