Viridian Weapon Technologies Grip Series, Red Laser, Fits North American Arms Magnum, Black 900-0006 Viridian's grip laser for NAA Magnum Frame Revolvers boasts a simple yet intuitive design and activates automatically when the user grips the handgun. Delivering rapid target acquisition when it's needed most" this grip laser features a highly visible red laser. Easy to install and adjust. Comfortable to grip and shoot with a rubber over molded design. Elevate your personal protection gun with a Viridian grip laser today! Like all Viridian laser sights" the grip lasers include an industry-best seven-year limited warranty.