Tested and recommended by the National Tactical officers Association, the Sightmark 9mm Luger Boresight offers a quick and easy way to sight in your 9mm Luger pistol. This bore sight can be used as a training aid for ""quick draw"" drills. Simply activate the boresight and manually insert it directly into the firearm's chamber. Features: Includes a carrying case, three (3) AG3 batteries, and instructions. Precision accuracy Reliable and durable Fastest gun zeroing and sighting system Reduce wasted cartridges and shells Compact and lightweight Easy to pack and travel For the best selection of firearms and firearms accessories, shop Palmetto State Armory!