This highly accurate 20″ Fluted .308 Caliber Windham Weaponry Barrel is perfect for your next .30 caliber build project. Machined from 4150M Chrome Moly Vanadium 11595E Steel, Chrome Lined in Bore and Chamber, rifled 1 turn in 10 inches – 6 lands & grooves – right hand twist. Lengthwise fluting grooves before and ahead of the gas block assist in barrel heat dissipation, and make for a lighter weight assembly. The muzzle is threaded 5/8” x 24 T.P.I. (threads per inch) for a variety of flash suppressors or muzzle brakes. The Picatinny Rail Gas Block is taper pinned on to the barrel, and the bottom of
the gas block is threaded for Q.D. sling swivel stud. This assembly also includes the barrel nut and a round handguard cap.