12 Gauge Bore Sight Description
- 【High Accuracy】CVLIFE 12 gauge bore sights are accurated from the factory. Arrived zeroed already and no more adjustment needed.
- 【Plenty of Batteries】 Comes with 9pcs LR44 batteries. 12 gauge bore sight laser needs 3 batteries to work and the laser will last up to 8 hours, more than enough to do the basic sight-in work.
- 【Easy to Use】 12-Gauge chamber-sized laser boresighter is a quicker way to line up your optic and iron sights, save time and improve their accuracy.
- 【Sighting Range】 12GA red laser boresighters can reach the sighting range of 15-100 yards in dim conditions, which is easy to know where your aiming.
- 【Specification】 12 gauge bore sight with Class IIIA laser, less than 5mW.

12 Gauge Red Dot Boresighter Details
Item Package Dimensions: 3.3 x 2.3 x 1.2 inches (L x W x H)
Package Weight: 0.2 Pounds
Model Name: 12 gauge laser bore sight
Mounting Type: Picatinny Mount
Color: Red
Material: Aluminum
Included Components: 12 gauge laser bore sight x1, LR44 battery x9
Sport Type: Hunting boresighters
About CVLIFE Brand
CVLIFE Accurate Laser Bore Sighter – 12 Gauge



How to use the bore sight?
- Unscrew the back cap from the bore sight by turning counter clockwise.
- Stand the bore sight on a flat surface with the laser side pointing down.
- Insert batteries (+ side up) inside the rear opening.
- Carefully push down and turn the screw cap clockwise to tighten the cap (the laser is now on).
- Place in your rifle’s chamber and close the bolt.
- To remove – open the bolt if it does not automatically extract, manually remove the unit by tilting the rifle’s barrel upward (always practicing safe firearm practices).
- Unscrew the back and remove the batteries to turn the unit off.
Bore Sight FAQs
Q: Does the bore sight have an on/off button?
A: No. The laser will automatically turn on after inserting batteries. Turning off the laser requires removing the batteries.
Q: Why is the laser flickering unstable?
A: If the laser flashes, the battery may be low, please replace it in time.
Q: Is this a training bore sight?
A: No. This is a laser bore sight used to assist with zeroing.
CVLIFE Bore Sighting Laser Red Dot Boresighter
Item Image | ![]() |
![]() |
![]() |
Item Name | 223 556 Bore Sight | 9mm Bore Sight | 12 Gauge Bore Sight |
Applicable Caliber | 223/556 chamber | 9mm chamber | 9mm chamber |
Laser Color | Red Laser | Red Laser | Red Laser |
Sighting Range | 15-100 yards | 15-100 yards | 15-100 yards |
Packing Battery Quantity | 6 pcs (2 sets) | 6 pcs (2 sets) | 6 pcs (2 sets) |
Battery Lasting | 1 hour | 1 hour | 1 hour |
Battery Type | LR41/AG3 | LR41/AG3 | LR41/AG3 |
Product information-Technical Details
Item Package Dimensions L x W x H | 3.27 x 2.24 x 1.26 inches |
---|---|
Package Weight | 0.09 Kilograms |
Brand Name | CVLIFE |
Model Name | 12 gauge bore sight laser |
Color | Red |
Material | Aluminum |
Style | 12 Gauge |
Included Components | 12 gauge laser bore sight x1, LR44 battery x9 |
Sport Type | Hunting boresighters |
Reviews
There are no reviews yet.