Sightmark 300 Laser Boresight

Chamber the Sightmark® 300 Boresight in your 300 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
• Fast gun zeroing and sighting system
• Precision accuracy
• Reliable and durable
• Fast and easy to use
• On / off end cap
• Compact and lightweight
• Easy to pack and travel
• Reduce wasted cartridges and shells
• Carrying case, three AG3 batteries and instructions included
• Battery life: 1 hour
• LED type: Visible red laser
• Laser wavelength: 632 - 650 nm
• Output power: <5 mW
• Range for sighting: 15 - 100 yds.
• Dot size: 2" @ 100 yds.
• Operating temperature: 14 to 122ºF