The Mini Red Laser Sight from Firefield mounts to your barrel to produce a bright, 5mW red laser. Adjustable for windage and elevation, the red laser is visible up to 300 yards at night. This barrel mounted laser is lightweight and extremely compact, helping shooters shorten target acquisition times. Due to its aluminum construction, the Firefield Mini Red Laser Sight has an IPX4 waterproof and shockproof rating.