Streamlight tlr-1 - Streamlight TLR-1 HL CR123A LED Rail-Mounted Tactical Flashlight

great product, will mount to any rail. light in weight, this is without a doubt one of the brightest rail mount lights you will find.i like them so much , i own 8 of them. i have never had any problems with any of them. they come with everything you need to mount. and replacement batteries are affordable. best part, since they put out new compact model, this model has got a lot cheaper. look around, i have recently bought for $102