JMAC CUSTOMS Recoil Reduction Device. Multi function run it suppressed or unsuppressed. Superior recoil management. 360HD design no shims required. No barrel restrictions. Optimized for short barrels. Stainless steel and black nitride finish for corrosion resistance. Graduated port design. 3 sacrificial baffles provide suppressor protection under high pressures. Easy to install great recoil reduction its suppressor ready. 25x1.5 facemount Text: 7one3-nine3five-five8one3