CMMG BBL 300BLK 8″ 4140CM SBN
$207.99
CMMG BBL 300BLK 8″ 4140CM SBN
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY
| Attributes | Value |
|---|---|
| UPC | 815835016283 |
| Manufacturer | CMMG |
| Manufacturer Part Number | 30D810A |
| Barrel Length | 8" |
| Caliber/Gauge | .300 AAC Blackout |
| Length | 8" |
| Model | Barrel Sub-Assembly |
| Product Type | Barrel |
| Rate of Twist | 1:7" |