The Sight-Rite Bullet Laser Bore Sighter by Sighting System Instruments takes the guesswork out of sighting your firearm for greater accuracy and reduces the amount of ammunition you use. Its precision machined brass casing is equipped with a high-performance laser beam to accurately sight your weapon. Standard shell casing diameter. Includes three LR41 lithium button cell batteries.
Warranty: 90 days limited parts; 90 days limited labor