These laser bore sights will fit .308 and 7.62x51mm calibre rifles.
 
* Precision Accuracy
* Reliable And Durable
* Fastest Gun Zeroing And Sighting System
* Reduce Wasted Cartridges And Shells
* Compact And Lightweight
* Batteries Included
 
Simply Load It Up & Sight In Your Rifle!
 
Item Description:
Material: High Quality Brass
Laser Wavelength: 632-650nm
Maximum Output Power: <5 Mw
Sighting Range: 30-40yards
Dot Size: 1.5" @ 100 Yds
Included Batteries: 3 X LR41 Button Cell
 
Improves Your Accuracy. Saves Money On Wasted Ammunition.
Easy To Use, Comes With Full Instructions.