The Phase 5 PMR is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install” the PMR is a drop in component that replaces the Mil-Spec magazine release button. Including a textured angle serration design on the button face” the PMR adds style and keeps the function of a Mil-Spec button.
Phase 5 Weapon Systems PMR, Magazine Release, Black Anodized Finish, CNC Machined from 6061-T6 Billet Aluminum, Fits AR-15 and AR-10 Receivers PMR-BLK