The SureFire 328LMF-B dedicated forend WeaponLights replace the original forend of your Heckler & Koch MP5 submachine gun, HK53 rifle, or HK94 carbine, and provide high-intensity illumination required to dominate a low-light tactical situation. Each features a virtually indestructible LED emitter focused by a TIR lens, producing a brilliant beam optimized for close- to medium-range applications. The 328LMF-B generates 500 lumens of output and has a runtime of one hour on a single 123A lithium battery. The 328LMF-B features a single momentary-on pressure-pad switch integrated into the right side of the forend and a rocker-type constant-on switch on the left side, allowing positive control of the light while maintaining your normal firing grip. FeaturesVirtually indestructible LED and TIR lens produce brilliant beam optimized for close- to medium-range applicationsErgonomic switching provides positive control of illumination with a normal firing gripHard-anodized aluminum body, temper...