Battle Arms Development, Ambidextrous Safety Selector, 90/60, Lightweight, Reversible, Anodized Finish, Red, Fits AR-15, Aluminum Construction WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Ambidextrous Controls Reversible 0- 60 or 0- 90 Option Lightweight, Billet 7075-T6 Aircraft Grade Aluminum Ergonomic Lever Design for Positive Purchase Anodized Finish, Red The Battle Arms professional grade, LIGHTWEIGHT semi-auto safety selector is the perfect upgrade to your AR-15. The CNC machined, billet 7075-T6 aluminum skeletonized levers are strong and lightweight. It comes standard with a precision SWISS CNC machined, reversible throw steel safety center core with 0-90 degree and 0-60 degree short-throw options. The standard and short aluminum safety levers are fully interchangeable and modular to accommodate left or right handed shooters.