The Noveske 10.5 inch 300 AAC Blackout stainless barrel features 1:7 twist improved polygonal rifling with a Noveske 300 Blackout match chamber, extended feed ramps, bead-blasted finish, pistol length gas system, pinned low-profile gas block, in a medium contour with a 5/8-24 threaded muzzle.

Comes complete with low-profile gas block and gas tube.

Rosco Manufacturing Bloodline Barrel – 5.56mm - 10.5"

Barrel Length: 10.5"
Barrel Weight: 19.28 Oz
Barrel Material: 4150 CMV
Barrel Caliber: 5.56
Twist: 1/7
Barrel Thread: 1/2 x 28
Gas Block Size: .750
Gas System Length: Carbine
Barrel Finish: Nitride
Barrel Extension Finish: Nitride

Ballistic Advantage, Modern Series, Government Profile Barrel, 556NATO, 14.5", 1:7 twist, mid-length gas system, .750 journal and a 1/2x28 threaded muzzle. Machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy.