I can tell you that if it can go full-automatic and is in the US, it could cost you 10 years in a federal penitentiary.
A semi-automatic or fully automatic rifle.
it shoots 3 bullets in a automatic row at a time like this ... ... ...
it shoots bullets
The PS90 is a semi-automatic carbine so it shoots semi-auto. Standard magazines hold 30 rounds for the PS90, but you can get 50 and 10 round clips. You can do a few tweaks yourself and turn the PS90 into an automatic though. The P90 is the automatic version and shoots an average of 900 rounds a minute.
9mm
Gummy Guns?
Metal Storm
The minigun shoots 6000 rounds per minute, that is 100 bullets a second, so it does have about 1000-10000 bullets
It shoots .25acp
The Crosman 760 doesn't shoot Bullets it shoots BB's or .177 caliber Pellets.
it shoots about 2 or 3 bullets a second.
it shoots a lot of bullets in a short time