Sightmark Laser Boresight .50Cal (SM39012) Chamber the Sightmark® .50 Cal Red Boresight in your .50 cal rifle like a regular cartridge, and a red laser dot shows exactly where you’re aiming. Ideal for hunters, competitive shooters and law enforcement, this device significantly reduces wasted cartridges and shells. Simply adjust your sights or scope, and save your extra ammo for the hunt. Includes a carrying case, three (3) AG3 batteries, and instructions. Laser Wavelength632 – 650 nm LED TypeVisible red laser Output Power Battery TypeAG5 2 Battery TypeAG3 3 Battery Life1 hour Range for Sighting15 – 100 yds Dot Size2 in @100yd Operationon/off end cap MaterialBrass
