ADAFAZ Red/Green Bore Sight Kit Boresighters Automatically Adjust Focus for .177 to .50 Caliber Pistols Rifles (2rd Version)

Get ADAFAZ bore sight, A boresighter to adjust the accuracy of your rifle. Fits .177 to .50 calibers. CR2 battery support a long using time. Much longer than common boresighter.
ADAFAZ Bore Sight automatically adjust the focus of the object for precise aiming and 2 screws with washers lock the adapters reliably, the adapter won't be stuck in the barrel;
Press switch design is much easier to control the boresighter ON & OFF. Now ADAFAZ BORE SIGHT helps you to adjust the accuracy of your rifle.

Specifications:
Max. Output: less than 5mW
Class: IIIa
Weight: 1.34 oz / 38 g
Material: Hight Quality Aluminum
Boresighter’s Length: 6.1" / 155 mm
Length of rod that fits into the barrel: 2.4"- 3.5" / 60 mm - 90 mm (tapered)
Head Diameter: 16 mm
Tail Diameter: 5 mm
Color: Green
Dimensions: 170mm x 20mm
Range: 330ft/100m
Power:1x CR2 battery

How to use the ADAFAZ bore sight:
1. To select the proper adapter, find the largest diameter adapter that fits in the muzzle of your firearm.
2. Then screw the adapter into the small end of the boresighter's emitter using the small in the center of the adapter.
3. When you turn the bore sight on, you can adjust your scope’s wind age and elevation so that your cross hair aim at the green dot.

Package Includes:
1x Green Bore Sight (Boresighter)
8x Bore Adapters
2 x Spare screws
1 x Screwdriver
1x CR2 Battery

Warm Tips:
Keep boresight's beam away from eyes.
Before bore sighting your scope, make sure that the firearm is unloaded and the muzzle is pointed in a safe direction.
After the firearms is bore sighted, make sure to remove the boresighter and adapter from the firearm.