Perfect for building your custom dedicated 22LR AR15 upper group. Also Includes a barrel collar to replace the chamber adapter on your 22AR Conversion.
TECHNICAL SPECIFICATIONS
| PLATFORM | MK4 |
| CALIBER | .22 LR |
| BARREL LENGTH | 16.1 |
| BARREL TWIST | 1:16 |
| BARREL CONTOUR | M4 |
| BARREL MATERIAL | 4140CM, SBN |
| BARREL TWIST | 1:16 |
| MUZZLE THREAD | 1/2 X 28 |
| GAS PORT LOCATION | N/A |
| GAS BLOCK | N/A |
| FINISH | SBN |
