| CALIBER | .22 LR |
| BARREL LENGTH | 4.5 |
| BARREL TWIST | 1:16 |
| BARREL CONTOUR | MT |
| BARREL MATERIAL | 4140CM |
| BARREL TWIST | 1:16 |
| MUZZLE THREAD | 1/2 X 28 |
| GAS PORT LOCATION | N/A |
| GAS BLOCK | N/A |
| FINISH |
SBN
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Barrel Sub-Assm, 4.5″ MT 4140CM, 22LR
Perfect for building your custom dedicated 22LR AR15 upper group.
**All NFA rules apply** See linked CMMG Resource article for more information.
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