Laser Boresighter for Centrefire Rifles Chambered in .243, .308 0r 7.62 x 54 To Aid Scope Zeroing With Less Wasted Ammo.

Chamber the Sightmark Laser Boresight in your .243, .308 or 7.62x54 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. This device is tested and recommended by the National Tactical officers Association. Includes a carrying case, three (3) AG3 batteries, and instructions.

Laser Wavelength     632 - 650 nm
LED Type     Visible red laser
Output Power     <5 mW
Battery Type     AG5 2
Battery Type     AG3 3
Battery Life     1 hour
Range for Sighting     15 - 100 yds
Dot Size     2 in @100yd
Operation     on/off end cap
Material     Brass
Operating Temp,F/C     14 to 122 / -10 to 50 F/C