You can dry fire a "REPLICA" gun if the action will allow. Some "REPLICA" guns will not have a true action and therefore cannot be fired. NEVER try to load live ammunition in a "REPLICA" gun.
no
It may or may not depending on the type of replica.
It's a copy of a gun/rifle that can't fire.
You don't do it any good.
dry fire it without any BB's
Most replica guns are designed to look like real firearms but do not have the capability to fire live ammunition. However, some replica guns, particularly airsoft or BB guns, can shoot projectiles using compressed air or gas. It's important to note that these replicas can still cause injury and should be handled with care. Always check the specifications of a specific replica to understand its capabilities.
Non firing replica
yes
You can, but excessive dry-firing causes wear on your gun and will break it earlier than usual
Try google
No, and you can't drive a car with no fuel. A gun is a device to launch ammunition. You can "dry fire" a gun with no ammo, but that is not good for SOME guns.
No, you do not.