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CMMG, Inc. Barrel Sub-Assm, 8.5 MT 4140CM SBN, 9mmSpecifications:
- Length: 8.5, 1:10 Twist
- Chamber: 9 mm NATO
- Profile: Medium Contour Profile
- Material and Finish: 4140 CrMo, Salt Bath Nitride Finish
- Muzzle Thread: 1/2-36 TPI
- Gas Port Location: None
