The Brunswick rifle was made with a raised belt on the bullet- the raised belt fitted into two grooves in the barrel. See the link below for more information.
It makes the bullet spin when it is fired- much the same way a football spins in flight. The helps the bullet travel in a straight line, improving the accuracy of the gun.
Yes.
Pretty much, yes. You should be able to shoot regular ammunition through it although without rifleing, the bullet will just rattle down the bore and won't be stabilized. Accuracy would be terrible.
The First bullet train was made in 1930
None. A bullet is a bullet, regardless of what material it's made from.
You can contact Ruger's customer service to find out.
Bone
The first bullet was made at 1883. It was a Smith and Wesson .22 caliber rimfire cartridge.
If taken care of, the rifle will outlast a couple of owners eaisly.
The standard bullet proof vest is not stab proof, however there are some bullet proof vests that are. These stab-proof vests have a wire mesh on the outside, or a similar material.
Marks, or striations on a bullet are made from the bullet running against the metal of the gun. The barrel of the gun determines whether the bullet curves to the left or right.
10cm