The Sightmark Triple Duty Universal Green Laser Boresight is designed for sighting in .17-.50 caliber rifles, shotguns and pistols. Engineers designed the Triple Duty to have precision accuracy with a key feature of not having any additional attachment pieces to be lost. Compact and lightweight it is the fastest gun zeroing and sighting system on the market. Precision accuracy ; Fastest gun zeroing and sighting system; Compact and lightweight ; Carrying case included ; Batteries included ; - At Sportsman's Warehouse, we live for the thrill of the great outdoors. Whether you're hunting, fishing, camping, backpacking, or shooting, having the right gear is key to making every moment unforgettable. That's why we bring you only the highest quality, trusted brands-because your outdoor experiences deserve the best. From expert advice to quality gear and community events, Sportsman's Warehouse is more than a store-we're your partner on every journey. Come explore with us and experience the difference passion makes.