Your question is rather unclear. In skeet/ trap, there are a few competitions that do not permit ejected fired shotshells to hit the ground, and those guns are modified to hold 2 fired shells to be removed by hand. Please expand on your question- rifle, shotgun, pistol, etc, and we will try to answer it for you.
No
how many pound equal to 20000 firearm gun shells?
This gun is a Rifle
A Paixhans gun is an early naval gun for firing explosive shells.
gun show, gun shop
Artillery
They are shells fired from a gun with a bore of just under 1.5 inches.
yes
none
Shotguns fire shot shells. Handguns can fire specially made shotshells.
With a glue gun.
Yes.