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Advantages for the .257 AI are- Dies are readily available, not special order. Douglas chambers .257AI but not 260AI. You will get a greater increase in potential over the parent cartridge with the .257AI.
Advantages for the .260AI are - Heavier bullets are available for bigger game. Cases can be made from cheap, plentiful .308 brass. The biggest disadvantage is start-up cost; your are going to pay quite a lot for the privelige of shooting that rascal!
If you don't plan to hunt game bigger than deer I'd go with the .257AI. If the possibility of bigger game is there, I'd go with the 260, factory OR AI.
Advantages for the .260AI are - Heavier bullets are available for bigger game. Cases can be made from cheap, plentiful .308 brass. The biggest disadvantage is start-up cost; your are going to pay quite a lot for the privelige of shooting that rascal!
If you don't plan to hunt game bigger than deer I'd go with the .257AI. If the possibility of bigger game is there, I'd go with the 260, factory OR AI.
