Thompson Center Encore Pro Hunter204 Ruger Chamber, 15" Stainless Fluted Pistol Barrel- TC Pro Hunter Pistol Barrels fit Thompson Center Arms Encore and Pro Hunter Frames. This one is a 15" long, fluted, stainless pistol barrel with sights, drilled and tapped for standard TC Encore scope mounts. Uses any TC Encore or Pro Hunter PISTOL forend.