Sightmark 300BLK (7.62x35mm) Laser Boresight

Chamber the Sightmark® 300BLK (7.62x35mm) Boresight in your 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.

• NTOA member tested and recommended
• Brass construction
• Precision accuracy
• Saves ammunition
• Reliable and durable
• Compact and lightweight
• Easy to pack and travel
• Carrying case, three AG3 batteries and instructions included
• Battery life: 1 hour
• Laser wavelength: 632 - 650 nm
• Output power: <5
• Range for sighting: 15 - 100 yds.
• Dot size: 2" @ 100 yds.
• Operating temperature: 15 to 120ºF