The Magpul Stock Recoil Pad from LimbSaver reduces up to 60% of felt recoil and incorporates anti-muzzle jump technology for faster target re-acquisition. The recoil pad helps increase accuracy of follow-up shots and you’ll enjoy increased control for maximum stability.Durably built to be used outdoors in all harsh environments the no-slip surface stays in place even in the rain. *Fits Magpul STR-ACS-ACS-L-LIBR-CTR-MOE (synthetic stock).