Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
CMMG BBL 300BLK 16.1″ MR 4140CM SBN
Online OnlyCMMG BBL 300BLK 16.1″ MR 4140CM SBN
$227.99
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| UPC | 815835011028 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 30DF80A |
| Barrel Length | 16.1" |
| Caliber/Gauge | .300 AAC Blackout |
| Color | Black |
| Length | 16.10" |
| Model | Barrel Sub-Assembly |
| Product Type | Barrel |
| Rate of Twist | 1:7" |






