This highly accurate Windham Weaponry Superlight barrel assembly is 16” in length and turned in a lightweight profile. The assembly comes complete with the Barrel Extension, WW Free Float Handguard Barrel Nut, an installed Low-Profile Gas block and Gas Tube, and A2 Birdcage Flash Hider.  The muzzle is threaded 1/2″ x 28 T.P.I.  and is finished with an 11-degree target crown to enhance accuracy.  Machined from 4150 Chrome Moly Vanadium 11595E Steel and finished with a Melonite QPQ finish inside and out this assembly offers protection against rust and corrosion. Rifling is 1 turn in 9 inches – right hand twist. All top-quality Windham Weaponry parts – made in the USA.