Replace the mil-spec safety selector with the NexGen AR-15 Ambidextrous Safety selector from us, Tyrant CNC. With a 45 AND 90 degree configurable throw, the Ambi safety selector offers supreme fit, function, and aesthetics. Sporting identical length levers, this short-throw safety selector is the best option for left-handed operators, too. Whether lefty, practicing support hand shooting. The safety selector levers to be made from 6061 aluminum with a soft durometer rubber over-mold.