Elzetta Design's Mini-CQB Modular Weaponlights deliver 375 lumens of diffuse neutral-tint light in a beam pattern optimized for close-quarters battle engagements. Mini-CQB Weaponlights are available with any of six tailcaps and with two ambidextrous attachment mechanisms. They weigh less than 5 ounces and feature fully potted electronics and solid-acrylic optical lenses (no reflectors). Made in the USA with a lifetime guarantee.
With low cost .22LR ammo and a 16+1 capacity, you can nail paper bad guys for pennies a pop.