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

Why is it possible to identify the gun where a bullet comes from

Can you make a bullet untraceable? - Quora

Can ballistics match a bullet to a gun? - Quora

How do people identify guns with bullet casings and shot wounds

Why is it possible to identify the gun where a bullet comes from

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

Are newly manufactured guns 'fingerprinted' by the manufacturer

Why don't they get ballistics for every gun sold? - Quora

How do police departments keep track of their armories and issues