Re: .257 Wby --> .25-06 AI
To each his own, but the 25-06AI has worked well for me. I have a Senero with the 26" tube, Kirby Allen did the work, along with a skim bed, trueing the receiver, sako ext, etc.
Mr. Ackley was very intelligent & we owe him alot, but what he said about the 25-06 simply is not valid today, along with the 6.5-06AI & a couple of others. We all know why, RL25, IMR7828,
Retumbo & many other powders were not avail. then & has changed the level of usefullness for certain rounds dramatically & the 257 Wea. is another good example.
I think the Roberts AI is fine, but if a younger shooter does not allready have a Roberts or the brass, I would never advise them to get one. Why go that route with the factory 257Rob ammo being very hard to find in some areas & thus hard to use to fireform or load new brass (you must order), only to wind up with a load that nearly matches (but not quite) a 25-06 handload.
If you want a smaller, shorter 22" tube deal I guess it could be a Rob, but I use other cal. for woods rifles & think of 25's a windy day?larg Var. rifle & a preferred tool for Antelope/Mule Deer & some Whitetail situations.
There are for me at least some advantages of the 25-06AI over the Wea. Like BW83 said, you aren't going to match 257wea. potential with the 25-06AI, but I saw that getting a velocity halfway between the 25-06 & FACTORY 257wea. loads was a good place to be for me at least.
The spread of 257wea. & safe, book handloads for the 25-06 is roughly 250fps, I easily get in the middle & a wee bit closer to Wea. fact, in fact, all with good brass & able to shoot fast 25-06 & a match chamber. I am pleased.
You will not make peace with the Blue Coats, you are free to go.