LimbSaver Classic Precision-Fit Recoil Pad for Magpul Synthetic Stocks Easy-to-install recoil pad helps reduce up to 70 percent of felt recoil, increase stability for improved control Incorporates anti-muzzle jump technology for faster target re-acquisition Made from LimbSaver's proprietary vibration-dampening NAVCOM material Non-slip surface ideal for use in all harsh weather conditions Model 10025 -- Fits Magpul STR-ACS-ACS-L-LIBR-Mil-Spec-CTR-MOE (synthetic stock)