· By project a laser beam from the center of the barrel axis of fire arm, this laser bore sight collimator allows you to instantly & accurately set your sight or scope, etc.
· The laser light emitted from the laser bore tool travels in a straight line while the bullet follows a trajectory. Even though the use of this device will get you very close, the final adjustment should be made at the range.
· Fasten (rotate) head to light on. Release (rotate) to light off.
Weight (net): 30g (1.1 Ounces)
Length: 138mm. Head Dia. 15.5mm, Tail Dia. 4.4mm
Battery Type: CR 1/3N
T6061 High-class aluminum alloy in beautiful black matte
Four bore adjustable adapters to fit all 0.22-0.5 caliber
Screws already are set in the factory when center aligning.
Package Including: 1.Instruction 2.Laser bore sight 3.Four adjustable adapters 4.Screws and hex key
for 4,5 diamètres .its gourde pour un diamètre de 4,5 ok
Hello, catherine jerome.
We have received your message.
First, thanks for your consideration of our brand and products.
As for your question, the diameter of its head is 4.5mm
This laser has four bore adjustable adapters to fit all 0.22-0.5 caliber.
Welcome to buy our products.
If you have other questions, welcome to contact us.