The AR-STONER(TM) Safety Selector features an ambidextrous design so the user can operate the safety from either side of the weapon. The double-head selector switch utilizes a three piece design with a locking screw for a secure lock-up. This ambidextrous safety selector is a great upgrade to any semi-automatic AR platform or LR-308 at an unbeatable price! FeaturesAmbidextrous DesignDrop-In Replacement for Standard Mil-Spec SelectorsSolid Lock-Up