Posted: Sun Jul 24, 2011 9:04 pm
what size is the barrel?
On a related note, have a look at the Yugoslav "Self Suppressing Unit"underwater pistol:
It fires a steel tipped dart at high subsonic speed that can apparently penetrate a SCUBA tank with "only" 110 bar, that's within the realm of advanced spudders...
Here's what the Автомат Подводный Специальный can do to a SCUBA tank...