This one bore sighter can be used on most any Airsoft rifle/pistol with caliber from .22 all the way up to .50 .

Very easy to use, Just install unit on the end of the barrel with the appropriate arbor and proceed to bore sight you empty rifle/pistol and shotgun by lining up the iron sights or scope reticles with the laser dot .

Weight(Gram):106 (Hole Set : Batteries / Tools /Box)