[Travis McGee]

It’s called “gain twist.”

[OneWingedShark]

>It’s called “gain twist.”

Ah, I see... I’ve not heard of it before.
Guess it’s time to bounce to wikipeda and see the basics thereof. {Yes, wikipedia can be a bad source, but it’s generally a good starting point for a lot of non-political or technical stuff.}

[HiTech RedNeck]

Are short guns ever rifled?

[ExpatGator]

Travis gets the cookie!