SUREFIRE X300U-B 1000 Lumen

Surefire X300u-B Weaponlight, Pistol and Picatinny Mounting, 1000 Lumens, 2x 123A, Black X300U-B

The -B at the end of this Surefire model designates that this light uses the screw mount, as opposed to the clamp-mount.  

Send an email to pipe@airixarmor.com if you're not sure which one is best for your situation, and we'll get you dialed in.

www.AIRIXARMOR.com is proud to offer American made products from American companies like Surefire, who backs their products with a lifetime warranty.