Perfect for building your custom AR15 upper group. Comes with a properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
TECHNICAL SPECIFICATIONS
| CALIBER | 5.56X45MM |
| BARREL TWIST | 1:7 |
| BARREL CONTOUR | MT |
| BARREL MATERIAL | 416SS |
| BARREL TWIST | 1:7 |
| GAS PORT LOCATION | MID |
| GAS BLOCK | 0.750″ |
| FINISH | BEAD BLASTED |
