Is every new gun made test fired first and the bullet sent to the FBI to be entered into the ballistics database? Can every new gun be traced back to the original

Is every new gun made test fired first and the bullet sent to the

Can all bullets be traced back to the exact gun that fired them

How do the police trace bullets to a gun? - Quora

How do criminals make guns and bullets untraceable? - Quora

Why don't we require all bullets to have serial numbers so we can

How feasible would it be to make universal database of gun rifling

Can you make a bullet untraceable? - Quora

Can all bullets be traced back to the exact gun that fired them

How feasible would it be to make universal database of gun rifling

How feasible would it be to make universal database of gun rifling

How does the Bullet ballistic study work? How are they able to