Go Condition 1 with our modular safety. Our C1 semi auto safety gives you options for a single sided or ambidextrous control, left or right hand, 60° or 90° throw. The levers and cap have a bright red enamel indicator for easy visual verification. The kit includes long strong side lever, short weak side lever and weak side condition indicator cap for single sided use as well as roll pins and a safety detent hardened to 60Rc. Made from 4140 steel case hardened and Manganese Phosphate coated for a lifetime of service. Installs easily into any M16/AR-15/AR-10/SR-25 pattern rifle.