| Caliber | .22 LR |
| Barrel Length | 16.1 |
| Barrel Twist | 1:16 |
| Barrel Contour | M4 |
| Barrel Material | 4140CM |
| Barrel Twist | 1:16 |
| Muzzle Thread | 1/2 X 28 |
| Gas Port Location | N/A |
| Gas Block | N/A |
| Finish | SBN |
| Weight | 1.4 lbs |
Expected to ship within 15-30 business days. AR Parts Notice - State/local restrictions may apply in CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.
Barrel Sub-Assm, 16.1" M4 4140CM SBN, 22LR
Perfect for building your custom dedicated 22LR AR15 upper group.