Theopot Bore Sight Kit Red Boresighter with Button Switch for .177 to .54 Caliber Rifles Handgun Red Laser Sight

Theopot is a brand who specializing in outdoor & sports products. We are committed to providing each customer with the best service and the best quality products. Every Theopot product you receive is subject to our careful quality inspection. Specifications: Material: Aluminum Color: Red Laser wavelength: 630-680nm Max. Output Power: ?5mW Laser class: IIIA Length: 6.2inch Head diameter: 0.61inch Tail diameter: 0.2inch Weight: 38g / 1.33oz Package weight: 145g / 5.1oz 9x adapters of Specifications: [Adapter 1]: .170 to .177 cal [Adapter 2]: .220 to .25 cal [Adapter 3]: .264 to .284 cal [Adapter 4]: .300 to .320 cal [Adapter 5]: .338 to .358 cal [Adapter 6]: .375 to .410 cal [Adapter 7]: .416 to .450 cal [Adapter 8]: .458 to .460 cal [Adapter 9]: .500 to .540 cal How to use it? 1.Assemble the battery,insert batteries (in right direction) into the black battery holder. 2.Insert the black battery holder into boresighter's battery compartnent. 3.Choose right size adapter for your barrel,use the screwdriver to tight the screw into the adapter. 4.Insert the boresighter into barrel, make it stable in barrel. Package Includes: 1x Boresighter 9x adapters(with screws) 1 x Spare Screws 6 x AG13 Battery 1 x Allen Wrench 1x instruction manual