Wave length : 0.632 - 0.650 nM

Output: 0.3 - 0.5 mW

Length: 155 mm

Diameter: 16mm Tail

Diameter: 5mm Package size : 183 x 73 x 27mm / 7.2"L x 2.8"W x 1.06"H All parts included are : Bore sight collimator( With battery compartment ); Four adjustable adapters: .220- .270 cal , .280 - .349 cal , .350 - .434 cal , .435 - .500 cal;

Brief Introduction:

By project a laser beam from the center of the barrel axis of firearm, 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, final adjustment should be made at the range.