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
CMMG BBL 300BLK 8″ 4140CM SBN
CMMG BBL 300BLK 8″ 4140CM SBN
$233.99
19 in stock
| UPC | 815835016283 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 30D810A |
| Model | Barrel Sub-Assembly |
| Rate of Twist | 1:7" |
| Product Type | Rifle |
| Finish | Nitride |
| Length | 8" |
| Caliber/Gauge | .300 AAC Blackout |
| Barrel Type | Pistol Length |
| Barrel Features | Medium Taper Profile |
| Color | Black |
| Subcategory | Barrels |
| Fit | AR Rifles |
| Description | 4140CM |
| Barrel Length | 8" |
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