自作銃

http://www.crossbownation.com This video is all about a new laser bore sighting arrow for crossbow shooters and hunters. This crossbow arrow will save crossbow shooters a lot of time sighting their crossbow in. Works in all styles of crossbows, compound crossbows, recurve crossbows including TenPoint crossbows, Barnett Crossbows, Wicked Ridge crossbows, Excalibur crossbows, Bow Tech crossbows and more.