Yes- but it may require other adjustment (firing a rifle from the left shoulder, etc.
He used a Remington 870 Police Magnum.
a tazer or a gun with a no leathl shot
No, it does not.
yes
They used a trench gun aka a shot gun and a Springfield rifle and a Thompson gun.
Most folks use a 12 guage shot gun.
.410
On the outside edge of possible.
gun powder
yes they are reusable
For waterfowl, you cannot use lead shot. Try Bismuth shot or Heavi-Shot. See your local gun shop.
Shot Gun AK grenades C4