Fits: Thompson Center Arms Triumph Triumph Bone Collector Pro Hunter FX (Venture) Encore Pro Hunter (all synthetic stock) Dimensions: 5" x 1-5/8" (Approx.) Easy-to-install recoil pad helps reduce up to 70 percent of felt recoil, increase stability for improved control Atmospheric chambers produce a substantial increase in performance through uniform energy dissipation Made from LimbSaver's proprietary vibration-dampening NAVCOM material; non-slip surface for use in all harsh weather conditions Incorporates anti-muzzle jump technology for faster target re-acquisition