Armalite's barrels are custom-made for extreme accuracy and long life.
This complete barrel assembly includes a full front sight housing, barrel nut, slip ring, slip ring spring, slip ring retaining ring, gas tube and handguard cap.
.750 at the journal (A2 front sigth)
Model: AR-10 A2 carbine barrel assembly
Caliber: 7.62X51 mm / .308
Barrel: 16" chrome lined, 4140 steel, M-4 feed ramps
Rifling Twist: 1:11.25" RH
Muzzle Device: Flash suppressor, threading: 5/8"-24
Front Sight Base: A2 front sight assembly
Finish: Manganese phosphated steel