SKU: CMMG30D120A
UPC: 815835016238
The CMMG Barrel 300 Blackout 16.1" Mount 4140 Chrome Moly is a pre-assembled barrel sub-assembly purpose-built for 300 Blackout AR15 upper builds. This barrel is designed for builders looking to minimize assembly error and streamline the integration process into a custom receiver. Its 16.1" length strikes a balance between performance and handling, making it suitable for a range of tactical scenarios.
Constructed from durable 4140 chrome moly steel, this barrel is ready for both suppressed and unsuppressed use. The carbine-length gas port (.750" gas block journal) and 5/8x24 thread pitch enable reliable cycling and easy attachment of suppressors or muzzle devices. The medium taper profile and 1:7 twist rate enhance accuracy and stability for various ammunition types.
This barrel assembly is ideal for operators building dedicated 300 Blackout uppers for various applications, including home defense and specialized training. Its compatibility with standard AR15 components makes it a versatile choice for firearm enthusiasts. Whether for tactical use or recreational shooting, this barrel delivers reliable performance.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
