Tipfun Bore Sight Kit Red Boresighter for 0.17 to 0.78 Caliber Rifles Pistols Bore Sighter for Hunting

Function: ?.There are 9 bore adapters, can be applied to all .17-.78 caliber rifles and pistols bore sighter for hunting.There are also two larger adapter designed for 20 gauge and 12 gauge shotguns. ?.By projecting a laser beam from the center of the barrel axis of your firearm, this laser bore sight collimator allows you to instantly and accurately set your sight or scope,saving your time and money. Specifications: Material: Aluminum Laser class: IIIA Laser wavelength: 630-680nm Max. Output Power: ?5mW Length: 6.3inch Head diameter: 0.62inch Tail diameter: 0.2inch Weight: 38g / 1.33oz Package weight: 135g / 4.7oz How to use it? A. Assemble the battery into the bore sight. B. Select the proper adapter that fits in the barrel of your firearm. C. Assemble the adapter on the small end of the laser bore sight, then screw the adapter tight to maker bore sight is inserted in until it is sung with the crown of your firearm. D.When you press the switch button, a bunch of red beam will be emitted.And then you can adjust your scope’s windage and elevation so that your crosshair aims at the red dot. Before you order please read the adapter sizes carefully to ensure the adapters fit your Rifles Pistols: Adapter 1: .170 to .177 Cal. Adapter 2: .220 to .250 Cal. Adapter 3: .290 to .320 Cal. Adapter 4: .375 to .410 Cal. Adapter 5: .416 to .456 Cal. Adapter 6: .458 to .475 Cal. Adapter 7: .500 to .550 Cal. Adapter 8: .570 to .640 Cal. Adapter 9: .680 to .780 Cal. Package Includes: 1 x Laser boresighter 1 x Screwdriver 1 x Allen Wrench 1 x Spare Screws 6 x LR44 Batteries