Combat Armory Barrel Fits Ruger RXM 9mm Match Grade Barrel Threaded

Combat Armory Match Grade Barrel for Ruger RXM Threaded Designed for the 3.9"-4.0" RXM 9mm models. • 9mm • Drop in fit for Gen 1-5 • Machined from 416 stainless steel and h eat treated to RC 41 • Fully supported chamber and improved feed ramp design • Polished Feed Ramp for easy feeding • Target crown and oversized lock up area • Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets • 1:10 twist rate • 1/2x28 threaded muzzle • Barrel length 4.462"