Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
| Weight | 2 lbs |
|---|---|
| Dimensions | 17.8 × 2.3 × 2.3 in |
| type_of_barrel | 1:7 |
| barrel_length | 16.1 |
| caliber | |
| manufacturer | |
| product_type | Barrel |
| color | |
| upc | |
| brand | |
| part_number |

















