CMMG MR 12.5in 300 BLK Pistol Length Barrel (30D8AFF)

CMMG MR 12.5in 300 BLK Pistol Length Barrel (30D8AFF)


We will price match any currently priced, in stock item. In some rare instances we may not be able to match a price but will do all that we can to give you the best deal possible. (We cannot match the price if it is under our cost) Please call store at 1.800.486.7497 to check availability for immediate pickup. Please review the Terms and Conditions HERE.

Type: Barrels

  • 4140CM SBN
  • Multi Role Profile
  • 4140 Chrome Moly
  • Salt Bath Nitride Finish inside and out
  • 1:7 Twist
  • 301 AAC Blackout Chamber
  • Threaded 5/8-24
  • Pistol length gas port
  • .750" Gas Journal
  • "F" Marked Front Sight Base
Caliber 300 AAC Blackout Chamber
Barrel Type Multi Role Profile
Length, in 12.5"
Material 4140 Chrome Moly
Twist Rate 1:7
Thread Pitch 5/8-24

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