This kit offers the unique Windham Weaponry .223/5.56 Cal. pencil barrel and all parts forward of the upper receiver for assembly by the home gunsmith. 16″ in length, the barrel is turned in a narrow pencil profile with a .625” diameter at the gas block location and includes the barrel extension, standard barrel nut, round front handguard cap, a 1913 Mil Std. railed gas block and sling swivel. A set of carbine length handguards, carbine gas tube, gas tube pin, delta ring kit, A2 flash suppressor and crush washer are also included. Machined from 4150 chrome moly Vanadium 11595E steel this barrel has a Melonite QPQ finish inside and out and a 1 in 9” right hand twist to protect against rust and corrosion and the muzzle is threaded 1/2″ x 28 T.P.I.
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