The Timney 49'er Safety Selector allows the shooter to use a normal 90 degree or a fast and ergonomic 49-degree short throw for quick safety function. The 49'er Safety features an end plate allowing the removal of the ambidextrous arm if a single sided safety is preferred. Precision-machined for smooth operation and anodized for a quality finish. The 49'er is compatible with any Mil-Spec lower receiver. Made in the USA.