Wilson Combat TR223SSRG20FT8 Match Grade Barrel 223 Wylde 20" Stainless Bead Blasted Finish 416R Stainless Steel Material Rifle Length with Fluting & 1:8" Twist for AR-15Wilson Combat's stainless steel, match grade barrel offers superior accuracy, reliability and longevity for your next custom AR rifle project. It is precisely crafted of the finest American made 416R rifle rated steel on computer controlled equipment to exacting list of technical specifications. The barrel features a hand polished bore and feedramps, crisp CNC markings, precision muzzle crown and a chamber and gas port optimized for reliability.