The Niner from Enoch Industries is Tactical Solutions’ 9-inch X-RING XRP Barrel. This lightweight, highly-accurate .22LR pistol barrel is designed for the Ruger® 10/22®, Ruger® 10/22® Charger, and for Tactical Solutions X-Ring .22LR receivers. The Niner represents what TacSol is known for in the .22LR aftermarket barrel industry – lightweight, highly-accurate, easy-to-install barrels. This barrel is machined from 6061-T6 aluminum with a 0.920” diameter target contour profile. Suppressors are easily attached by simply twisting them on the barrel’s ½” X 28 threaded end. Hand-chambered for .22LR, fluted, with a target crown and chromoly bore, the Niner barrel upgrade is everything you could ask for in a compact .22 LR pistol barrel. Chambered in .22 Long Rifle.