The Talon 45/90 ambidextrous safety selector is a modular design that can be installed as a standard 90 or as a 45 short throw by simply rotating the shaft 180 inside the lower receiver. Selector levers install using a precision machined dovetail interface with spring-loaded retention stud to lock the lever in place no screws to come loose or break. The Talon is compatible with most semi-automatic AR15 and AR10/SR25-pattern rifles as well as MCX and MPX platforms. Designed & Manufactured in the USA 4-Lever Combo: Short, Medium, Medium Taper, & Long Levers Machined from Billet aircraft grade aluminum w Milspec Type 3 Hard Coat Anodized Finish or Cerakote Center Shaft Machined from Hardened Steel w/ Radian Grey Nitride Finish