The ls-250 lasersaddle is a feature-packed laser sighting solution for mossberg shockwave, 500 and 590 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.It features a master on/off switch for completely powering down the system.This model provides 3 hours of battery life with two cr2032 batteries.*note- 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.410 bore.Power Switch: On/OffWavelength: 532nMDot Size: .50" @ 50 ftPower: 5mWBattery: CR2032Laser Color: GreenFirearm Fit: Mossberg 500Adjustments: Windage & ElevationFinish: BlackMount Type: Drilled & Tapped Receiver