The Defender Series Laser Sights sets a new standard in laser sighting systems for today's most popular handguns. Cutting edge design, combined with superior technology and affordability provide the performance you expect from Crimson Trace. Protect what's yours. Whether your self defense handgun is a revolver or semi-automatic, no firearm is complete without a laser sighting system from Defender Series. If you have any questions, do not hesistate to call. We have on-site product experts that are ready to answer all of your questions and lead you in the right direction. Be a more accurate, confident shooter with a Defender Series Red Dot Sight.