The Lee collet die for the standard cartridge will work fine, as it says on their website.

I use their standard Bob die on my 257 AI brass and have had no issues whatsoever.

Furthermore, I have 30-06 I've been collet-neck-sizing only for 10 years, many more than 10x, and never have had to run through a FLS die at all.

Buy Hornady's excellent seater die for 6.5 calibers and you're good to go.