The Wilson Combat Ambidextrous AR Safety features an ambidextrous design so the operator can actuate the safety from either side of the rifle. The double-head USGI style safety selector is a rigid, precisely sintered part with a tough black nitride finish that is wear and corrosion-resistant.This ambidextrous safety selector is an easy upgrade to any semi-automatic AR platform and is compatible with any AR/AR-10/AR pistol caliber carbine that will accept a USGI style safety.Specifications: Ambidextrous Design Drop-In Replacement for Standard Mil-Spec Selectors Black Nitride finish for wear and corrosion resistance