Re: 260 rem loads for a 22" barrel
The data will still carry over to a 22" barrel. You will just lose a few fps on the round from a longer barrel. You can copy data from other rifles, but you will still not know how it shoots until you try it in your rifle. Use the data as a guide to get you a plan on what loads to try and work up to them. The 260 is a hammer of a round and is not finiky to load for.