Can anyone tell me where I can find a barrel [new] for a 5.6x52R [22 Hi-Power] which uses a .227 bullet

Pac-Nor will make you one.

I believe Lothar Walther makes blanks for 5.6x52R.

But some of the real .22 Savage Hi-Power experts are down on the "Savage Collectors" forum here.

What are you building, curious minds want to know?

Thinking of building one on Rem 788 30-30 action.

219 Zipper will give you more choices of bullets and brass, and be just as retro-fun.

If I were doin' this (of course I'm not....), I'd do a .25-35. More bullet choice and more versatile: you can load it to replicate factory .25-20 up to near a .250-3000 in a strong action like that. No case forming.

Lighter, better shaped bullets with a little more "ooomph" that a strong action allows takes the .25-35 into big game territory. And you can call it a "6.35x52R" if you're feelin' all "Continental"!

I shoot deer with my .22 HiPower. That big game territory? If you get a barrel made, I would suggest 1-10 twist. I put a liner in mine with that twist and it handles the 70 grain bullets (Only .228 game in town) a lot better.

Buffalo Arms has .227/.228's from 45gr to 70gr.

If you do a 25-35 it's Euro name is 6.5x52R and it is a farely popular loading there or was anyway.

Like said above go 219 Zipper with a fast twist as there are a number of heavy .224 bullets out there and it would be so much easier to deal with. It would make the rig so much more versatile and a great selection of bullets.