Competition Sniper Target AR-15 pistol grip with ergonomic palm rest shelf and thumb rest. AR 15 pistol grip with ergonomic palm shelf mounts to most mil-spec AR type rifles M16, M4, LR 308 and AR 10 rifles. Hand grip is made from heavy duty polymer. Ergonomic grip allows for the most secure and comfortable grip possible when shooting. Use original hardware from your rifle for mounting. One year warranty. Made in USA.