Originally Posted by Bullet bumper
It's not the lenght that stabalises a bullet it's the twist rate . The lenght helps with extra velocity per inch to utilise slower powders. Short barrels do shoot but are limited to faster powder speeds or it just burns in the air . However they have greater rigidity for their cross section and less barrel flip. I would start long and if you can't find a good load then chop off an inch and start again . At some point there has to be a sweet spot .
Yes. I'm aware the twist stabilizes the bullet, and not the length. I'm fully confident in the 1 in 10 and the 175s. I just want a supersonic velocity slightly beyond 1k. I may try 27".