Designed to considerably improve the speed and efficiency of the AR15/M4 bolt catch, the B.A.D. (Battery Assist Device) Lever quickly addresses reloading and malfunction clearance shortcomings of the platform by extending a paddle to the right side of the weapon, allowing manipulation of the bolt stop from the fire control / ready position with the right-hand trigger finger. Designed around Mil-spec forged upper and lower receivers*, the anodized aluminum B.A.D. Lever attaches to the standard AR15/M4 bolt catch without permanent modification to the weapon. Functional for both left and right-handed shooters, the B.A.D. Lever also allows traditional bolt catch manipulation according to the AR15/M4 manual of arms.