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Old 01-21-2013, 01:00 PM   #95
peytonracer4's Avatar
Join Date: Jan 2010
Location: Valparaiso, IN
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Originally Posted by NFRs2000nyc View Post
From what I've read, that's all Holywood. It's almost impossible to trace a bullet to a gun, but in VERY rare cases it can be done. Honestly, I don't know much on the subject, just what I have read.

To be able to trace a bullet to a gun you need three things....

1) The casing.
2) The gun must have some sort of a flaw that will mark the casing.
3) The gun and casing present together (which almost never happens)
You can trace a bullet to a gun. When you buy a handgun it'll come with a shell fired from that gun. In some places you have to register your gun and that shell with your police dept so that if a crime is committed, they already have 1 step completed in research.

I believe the only thing that is distinguishable on a fired shell is the marking the firing pin leaves. To my knowledge the gun doesn't put any other marks on a shell.
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