Diamondback Firearms 5.56 AR-15 Carbine Barrel Nitride - 10"

SKU: 556C10M50B8
MPN: 556C10M50B8
Manufactured by Diamondback Firearms


In Stock

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In Stock


The National Firearms Act regulates the configurations of some firearms assembled with barrels under 16” long. Know the NFA laws in your state before purchasing this item.

The Diamondback Firearms 5.56 NATO AR-15 Carbine Barrel is machined in house on state-of-the-art CNC machines and are thoroughly inspected at multiple stages of the build process to ensure quality. This 10” barrel is machined from 4150 Chrome Moly Vanadium Steel and is 5R rifled to ensure consistent accuracy and has a 1:8 twist rate. The carbine length gas system is optimal for reliability with a short 5.56 barrel. It is threaded 1/2x28 and features an 11 degree target crown. The final process is a salt bath Nitride finish for an added layer of protection.

  • 10” barrel chambered in 5.56 NATO
  • Machined from 4150 CMV steel
  • Salt Bath Nitride finish
  • Carbine length gas system
  • 1:8 twist rate
  • 5R rifling
  • 11 degree target crown
  • Threaded 1/2x28


Barrel CoatingSalt Bath Nitride
Barrel ContourMedium
Barrel Length10
Barrel Material4150 Chrome Moly Steel
BrandDiamondback Firearms
Caliber Gauge5.56 NATO
Feed RampsM4
Gas Seat Diameter.750
Gas System LengthCarbine
Thread Pattern1/2 X 28
Twist Rate1:8

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