LaserLyte laser trainer cartridge: 40 S&W

LaserLyte laser trainer cartridge Fits Pistols Chambered in 40 S& W Snug fit with Rubber O-Rings Built-in Snap-Cap - Firing Pin Activated Flashed Laser Dot on Activation Bright laser dot can be seen over 100 yards away at night Power Output: 630 - 670nm, &lt 5mW, Class: IIIa Red Laser Allows you to Train Indoors or Outdoors Safe, No Ammo Needed Design - Save on expensive ammo Approximately 3000 Training Shots with Included Batteries Drop a laser trainer cartridge into the chamber for an exciting real-life training experience without the added cost of ammo!