This is a Elftmann Tactical Safety Selector known as the Speed Safety, model SAFETY-S.
Quickly take your AR from safety to ready to fire and back to safe with the simple push of a button. With no rotation necessary" no shifting of the shooters hand needed" this is the fastest safety selector to engage and dis-engage on the market!
Features:
Push safety design
Ambidextrous Operation
Compatible with all Mil-spec receivers
