Go Condition 1 with our modular safety. Our new C1 safety gives you options for a single sided or ambidextrous control, left or right hand, 60°(Semi Auto Only) or 90° throw. The levers and cap have a bright red enamel indicator for easy visual verification. The kit comes with long strong side lever, short weak side lever and weak side condition indicator cap for single sided use. Made from 4140 steel and black Nitride hardened for a lifetime of service. Installs easily into any M16/AR-15/AR-10/SR-25 pattern rifle.