Description
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
Everything shown here is available to order for FFL transfer or in-store pickup. In-store stock changes daily and isn’t guaranteed to match what’s listed online.
$220.99
CMMG BBL 300BLK 16.1″ MR 4140CM SBN
Out of stock
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
| UPC | 815835011028 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 30DF80A |
| Barrel Length | 16.1" |
| Caliber/Gauge | .300 AAC Blackout |
| Length | 16.10" |
| Model | Barrel Sub-Assembly |
| Product Type | Rifle |
| Rate of Twist | 1:7" |



Popular Searches
No results found. Try a different search term.