SureFire's XC2 took the size and shape of the popular XC1, and enhanced it with the addition of a red laser sight. It was specifically designed to be mounted on compact handguns with accessory rails without adding any significant weight or bulk to the weapon's overall profile. It uses the common AAA battery, and produces a powerful 300 lumen beam of illumination and a highly visible SureFire XC2-A Ultra-Compact 300 LU Handgun WeaponLight w/ Red Laser XC2-A