The Osprey Global 38 Special Red Laser Boresight is easy to install and makes sure your first shot is on target. Sight in your scope, laser or reflex with this high-quality laser boresight. Made with durable brass, this boresight is ready to handle a variety of shooting adventures. The boresight comes with a sighting range of 15 yd. to 100 yd. for convenience.Lifetime warranty; contact (470)274-5295 for warranty questions