Re: Barrel Length for .260 or 6.5 creedmoor?
I have experience with the 260 Rem and none with the 6.5 creedmoor. I have loaded my Rem Model Seven with the factory 20 inch barrel and with a 22 inch Hart barrel. Also, I load for a friends Savage 260 with a 24 inch barrel.
If your shots are 500yds. or less I don't think that a 22 inch barrel would be a great handicap, since I have been able to reach over 2900 ft/sec with a 130 Accubond bullet using RL-19 powder. I found that there was quite a bit of difference between the velocity of my 20 inch and the 22 inch(about 150 ft/sec). I have not done enough checking the velocity of the 24 inch to give you any numbers, but I don't think there is as much difference when you go to 24 inches.