5.56 mm M4 barrels - Black Nitride

Manufacturer: LithoCoreX
Availability: Out of stock
Delivery date: 3-5 days

This LithoCoreX carbine barrel features a 5.56x45mm NATO chamber for full compatibility with surplus mil-spec ammunition or commercial 223 Remington ammo. These barrels are constructed of 4150 chrome moly steel with a threaded muzzle and barrel extension which features M4 Feed Ramps. Additionally, these barrels feature a double black nitride coating which provides a full metal treatment in addition to the chrome-lining for a life long rifle wear life.

Technical Information


  • Barrel Length: 16"
  • Material: 4150 Chrome Moly Steel
  • Gas Tube Length: Carbine
  • Gas Block Diameter: 0.750"
  • Twist Rate: 1 in 7"
  • M4 Feed Ramps: Yes
  • Muzzle Thread: 1/2"-28