Quote:
Originally Posted by Lazer
Someone mentioned removing the rifling inside the barrel. From an investigators view, have at it, he's now looking for a weapon that's been modified, and undoubtedly the act of drilling out the rifling inside the barrel is going to leave milling marks the forensic examiner is going to have a hay-day with when it comes to linking the projectile to the weapon.
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I know diddley about guns but...
If you use a drill then yes, you would definitely leave marks that would be an examiner's dream come true. No drill will follow a hole greater than 1/3 its diameter without a lot of chatter. The smart criminal would use a reamer.
How deep is rifling? It can't be much deeper than 0.015 in. I'd start with a straight flute reamer to avoid getting caught in the rifling spiral, then finish and size with a straight reamer and a lot of cutting oil.