How to fix a bent barrel extension?

[sheepherder]

Originally Posted by Olle

I was thinking about supporting and clamping the barrel, instead of using a rod in the bore. If you lay it flat on its side and clamp it both at the muzzle end and right at the chamber, you would only be bending one rail...

Just out of curiosity, where do you intend to apply pressure on the rail to bend it???

BTW, is there an amusing story behind how this rail got bent???

(Mine got bent when I removed the barrel without proper tools)...