CVLIFE .22 to .50 Caliber Rifle Gauge Boresight Red Dot Laser Boresighter Bore Sighter

Note: If you don't use,please dismantle the battery T6010 High class aluminum alloy in beautiful black matte Four bore adjustable adapters to fit all 0.22-0.50 caliber Screws already are set in the factory when center aligning Easy to use, save your time and the ammo
Bore-sighting alone is not sufficient to sight-in due to the gravity. You must make final adjustments by shooting the firearm using the same ammunition you use in the field.
The working temperature of the boresighter is above 0 centidegree, please make sure you use it in the proper temperature.
Package
1x Boresighter red laser bore sighter .22-.50 caliber rifle
1x Battery compartment
4x Adjusttable adapters
1x Cross Screwdriver
1x Allen key
3x button Batteries(include)