Upgrade your roller-delayed blowback platform with the authentic War Hammer Armament MP5 Super Safety. Serving as a highly sought-after active-reset trigger enhancement and an exceptional alternative to traditional MP5 binary trigger systems, this drop-in upgrade uses a specialized cam-and-lever mechanism to safely increase your rate of fire, dramatically improve split times, and achieve smooth, high-cyclic performance. Precision engineered for maximum reliability, this active-reset selector switch functions seamlessly with popular H&K SP5/MP5 platforms and high-quality clones, including the Century Arms AP5, PTR 9, Zenith, and MAC-5.