MidTen Laser Bore Sight kit Multiple Caliber with Big Button Switch for 0.177 to 0.54 Caliber Rifles Handgun Red Dot BoreSighter with 2 Sets of Batteries
Brand: MidTen
Midten is a company specializing in outdoor tactical sports products and hunting accessories.
For many years, we constantly improve our products and innovated to redifine market standard, committed to providing more products that meet your needs.
Your satisfaction is our most vital aim. Please feel free to contact us if there are any problem about our products, we are always here for you!

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.
E. When you press the switch button, a bunch of red beam will be emitted.

Package Includes:
1 x Laser boresighter
1 x Screwdriver
1 x Allen Wrench
1 x Spare Screws
6 x LR44 Batteries
Improve Accuracy: Laser bore sight emit a straight red laser beam, providing a precise reference to quickly and accurately target any scene or object, saving your time and money.
Applied More Model: Upgrade 9 bore adapters in set, perfectly fit for 0.17 to 0.54 caliber, rifles, pistols, handguns and scopes.
Push Button Switch: Upgrade bore sight add push button switch function, just lightly press to turn ON/OFF the laser, easier and more convenient to control. 
Brightness Enhancement: Power: <1mW Class IIIA Laster. Max. Output Power: <5mW.
Easy to Use and durable: Simply choose the caliber adapter and place the laser bore sight unit in the muzzle. Adapt with superior materials and professional craftsmen, it is durable and has long service life of trouble-free use.