CMMG BBL 300BLK 16.1" MT 4140CM SBN

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.

Features

• 1:7 Twist 4140 Chrome moly
• 5/8X24 thread pitch
• Medium taper profile
• Carbine length gas port .750 gas block Journal"

Product Information

• Manufacturer: CMMG
• Manufacturer Part Number: CMMG
• UPC: 815835016238
• SKU: CMMG30D120A

Inventory is synchronized directly with our distributor to help ensure current availability.

Thank you for shopping with Tactical Storage Pro.