CMMG Barrel 300BLK 16.1" MR 4140CM SBN

SKU: CMMG30DF80A

Elevate your AR15 build with this premium barrel, engineered for precision and reliability. Designed to be the cornerstone of your custom AR15 upper receiver, this barrel features a professionally installed M4 barrel extension, ensuring optimal performance and headspace accuracy.

Whether you're a seasoned builder or embarking on your first AR15 project, this barrel is an exceptional choice. For all your tactical gear, concealed carry needs, firearms, and ammunition, trust Terran Gear USA as your go-to freedom dispensary.

• Material & Twist: Crafted from durable 4140 Chrome Moly steel with a fast 1:7 twist rate for superior accuracy with a variety of bullet weights.
• Thread Pitch: Features a common 5/8X24 thread pitch, compatible with a wide range of muzzle devices and suppressors.
• Profile: The versatile Multi-Role profile offers a balance of weight and rigidity, ideal for diverse shooting applications.
• Chamber & Gas System: Chambered in the popular .300 Blackout caliber with a carbine-length gas port and a .750" gas block journal for optimal gas system tuning.

Key Features:

• Ready for your custom AR15 upper build
• Properly installed M4 barrel extension
• All barrel sub-assemblies are head-spaced for guaranteed function