CHROME LINED 16 Inch Mid-Length Lightweight Barrel Assembly, 1:9 Twist

5.56 NATO Chamber. With chrome lined bore and chamber. Threaded, 1/2-28 thread, with barrel nut, handguard cap and front sight housing with bayonet lug, Barrel diameter .750 at front sight base. Weight 32 ounces.

Includes extension and pin.