Enhance the functionality of your rifle when you install the RISE Armament AR-15 Magazine Release Button. Your fingertip will comfortably and securely fit on the button, thanks to its concave shape and horizontal, slide-resistant grooves. You'll confidently drop your mag with each press of the RISE AR-15 Mag Release Button. FeaturesSleek, ergonomic design Anti-slip horizontal grooves Simple installation Precision machined from 6061 aluminum