[Vapor63]

I own a Beretta A390 20ga. A few years ago I was given a 28" barrel as a gift, which is what I now always use (sporting clays, skeet, farm shooting). Now I have this 26" stock barrel lying around and I figured I might as well get the thing chopped (within legal limits). My question is: What is a practical length to cut it to for HD or any other application which the 28" can't fulfill. Do I need to get it rethreaded for chokes? What kind of spread will a straight tube give? So far I figured I might as well bring it to 18", since the long barrel does everything else I need.

[imprezagm4]

Legal length is 18"... 18.5" to be sure.

[StealthyBlagga]

IIRC this gun is gas operated. This means that shortening the barrel may cause unreliability. If so, you may have to use hotter loads and/or modify (drill out) the gas ports to get correct function. Good luck.

[Oldnamvet]

I'd consider selling the 26" barrel and using the proceeds toward buying a factory barrel of the length wanted. May cost a couple $$ more, but you won't have unexpected issues with gas ports, etc.