Chamber the Sightmark .50 Cal 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. It includes a carrying case, three AG3 batteries, and instructions.

• Less than 5Mw 632-650nm class IIIA Red laser
• Precision accuracy due to compact and lightweight size
• Reliable and durable boresight that is easy to pack and travel
• Fastest gun zeroing and sighting system
• Reduce wasted cartridges and shells