Crimson Trace Lasergrip for Smith and Wesson N-Frame Square Butt Revolvers, Black Made in America Instinctive Activation Ergonomic design Class IIIA laser; 5mW or less Instinctive activation and fully adjustable for windage and elevation Manufactured to fit seamlessly with the firearm frame No gunsmithing or frame modifications required for installation Rubber overmolded, front activation, master on/off switch Proudly made in the USA