Laserlyte RL-PF Rear Sight Laser fits all S&W Kel-Tec PF9 pistols. Enhance your accuracy with the LaserLyte RL-MP rear sight laser designed for the Kel-Tec PF9 pistols. This black laser sight attaches to the rear sight of your firearm, making it easy to install and use. With its powerful laser technology, you can aim and shoot with precision, no matter the lighting conditions. Perfect for hunting and sporting activities, this LaserLyte RL-PF is a must-have accessory for any gun enthusiast. This is a NOS (New Old Stock) item. The package has been opened. Batteries are included but please assume that you will need to provide fresh batteries.