CRIMSON TRACE LS-250 LASERSADDLE RED LASER SIGHT FOR MOSSBERG 12 & 20 GAUGE SHOTGUNS. The LS-250 LasersaddleT is a feature-packed laser sighting solution for Mossberg 500, 590, & 590 Shockwave 12 Gauge & 20 Gauge Shotguns. Attaching seamlessly to the receiver, the LS-250 provides multiple ambidextrous laser activation pad points for instant targeting with a powerful 5mW red laser. As with all Crimson Trace laser sights, the LS-250 is user-adjustable for windage and elevation. The LS-250 features a Master On/Off Switch for completely powering down the system. This model provides 4 Hours of battery life with two provided CR2032 batteries. Fits Mossberg 500, 590 & 590 Shockwave in 12 Gauge and 20 Gauge only. Models must have receiver that is drilled and tapped. Does not fit the Mossberg 500 ATP with our provided screws. Does not interfere with side saddles or top rails for a smooth operation. Red and Green Lasers are available for select Remington and Mossberg shotguns. Contact pressure activation points allow for natural operation of the laser while in use. FITS MOSSBERG SHOCKWAVE, 500 & 590 RECEIVERS. DOES NOT FIT THE 590M RECEIVERS. 5MW PEAK, 633NM, CLASS 3R RED LASER. 0.50 AT 50.