CMMG Medium Tapper 300 BLK AR-15 Barrel - 16.1" - 1:7

Manufactured by CMMG
SKU: 30DC30A
MPN: 30DC30A
Manufactured by CMMG
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Orders will be shipped from a remote warehouse within two business days. Estimated delivery time will be 7-10 business days

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Founded twenty years ago to provide firearm enthusiasts a better quality AR rifle that functions as it should at an affordable cost, Central Missouri Machine Guns, or CMMG as the company is better known, believes in taking the road less traveled. With an unwavering commitment to leading the industry with innovation and proprietary technology, CMMG doesn't worry about competitors. CMMG creates something revolutionary in the industry and remains at the front, watching as the competition attempts to replicate it. This 16.1-inch 300 AAC Medium Taper Blackout Barrel is a classic example of CMMG's relentless commitment to creating unique products guaranteed to satisfy customers. 

  • 300 AAC Black Chamber
  • 16-Inch Length
  • 416 Stainless Steel
  • Bead Blast Finish Finish
  • Carbine Gas Port Location
  • 0.750-Inch Gas Port Diameter

This CMMG 300 AAC Blackout is made from 416 Stainless Steel and comes with CMMG's unique and durable Bead Blast Finish. All barrel sub-assemblies, including this 16-inch medium taper barrel, are properly headspaced. The CMMG 300 AAC Blackout features a 1:7 twist rate rifling and a carbine length gas system with a muzzle that's threaded 5/8 - 24 TPI. The 300 Medium Taper AAC Blackout is suitable for subsonic or supersonic calibers and supports either suppressed or unsuppressed firing, making it an extremely versatile addition to your AR15 build. Although the gas block and tube are not included, the 300AAC from CMMG supports a carbine gas port location and a standard exterior diameter gas port of 0.0750 inches. This 300 Blackout barrel also comes with a properly installed M4 barrel extension. When customizing your AR upper receiver group to suit your specific style and preferences, this 300 Blackout barrel is the perfect solution. For any budget builder who wishes to pack some power in their rifle, this CMMG 300 AAC Blackout with a Medium Taper is the ideal blend of durability and performance at a great price that only CMMG can provide. 
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Barrel Coating
Barrel ContourMedium Taper
Barrel Length16.1
Barrel Material416 Stainless Steel
Caliber Gauge300 Blackout
Gas System LengthCarbine
Thread Pattern5/8 X 24
Twist Rate1:7
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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