Guy blows his thumb off by holding his revolver improperly - graphic images notoriously conservative 08 11 09 notoriously conservative posted on 08112009 75747 am pdt by notoriously conservative. I came across this the other day, it isnt my account, but the account of an unfortunate gun owner. hey saw an interesting myth busters show on improper holding of a revolver blowing off a finger. Apparently it can happen! When a revolver discharges, gasses go out perpendicular to the barrel at the gap between the cylinder and entrance to the barrel. If you improperly hold the pistol and have a finger near this gap, it can do severe damage to the finger. Someone on arfcom blew the end of his thumb off when shooting a s&w. Apparently he (and a lot of other folks as well) was unaware that the gap between the cylinder and the barrel on a revolver is not a happy place for gooey parts of your anatomy. page 1 of 2 - revolver blows off thumb - mythbusters right now. - posted in open firearm discussions as the title says - the revolver myth on mythbusters, show starting now, its not the first segment so you have a few minutes. page 2 of 2 - revolver blows off thumb - mythbusters right now. - posted in open firearm discussions hogans heroes cablevision channel 33 metv every monday-friday at 10pm. if the gases cut or blew his thumb off, there wouldnt likely be blood spraying, it would have sliced it and cauterized the wound. Guy blows his thumb off by holding his revolver improperly revolver cylinder gap gas severs thumb, now shooter sues s&w gun maker sued for thumb being severed by lynn larowe texarkana gazette posted on sunday, september. s&w 460xvr blew my thumb off today! No joke, about 12 of my left thumb is gone whats left is a friggin mess. The escaping gasses from a revolver can seriously injure you. Due to the higher pressures in the round, the bigger the caliber, the higher your risk for injury is. 460xvr blew my thumb off today! No joke, about 12 of my left thumb is gone whats left is a friggin mess. Its pretty hard to type, and im only posting because you never know, it might save somebody else a thumb.