Laserlyte RL-MP Rear Sight Laser S&W M&P. Enhance your shooting accuracy with the LaserLyte RL-MP rear sight laser designed for the S&W M&P. 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-MP is a must-have accessory for any gun enthusiast.