The Fobus RBT Tactical Paddle Holster with Lighthouse III is an active retention holster. To un-holster your firearm, unfasten the safety strap and remove the firearm in a deliberate and rapid upward motion. When re-holstering your firearm, insert the barrel first into the muzzle stud, snap the firearm into the holster and refasten the safety strap. DO NOT USE the RBT Tactical Series holster without a tactical accessory attached to the firearm as it is designed to work only with the rail accessory attached. This product has the following fits: Glock 17 (light or laser required), Glock 22 (light or laser required), Glock 31 (light or laser required), Smith and Wesson M and P 9mm and . 40 (light or laser required), Smith and Wesson M and P Pro . 45 (light or laser required), Smith and Wesson M and P Pro 9mm and . 40 (light or laser required). Some examples of lights and lasers that fit the Lighthouse III are: Inforce APLC, Viridian C5L, Viridian E-Series, Lasermax Spartan, Lasemax UNI, Crimson Trace Lightguard, Crimson Trace Rail Master, Surefire XC1, Streamlight TLR-1 and TLR-2, Efire X300 and X200, Varidian X5L, Insight M3X, and Aimkon P10S.