Hello
You may have to find a 35 rem or 221 fireball
and make one with what you are looking for.
or find a remington custom shop .
I had looked for a haevy barrel xp and got lucky to find
a guy selling a custom shop Remington .
look on http://www.gunsandammo.com/,
http://www.gunsamerica.com/ or
http://www.auctionarms.com
Good luck
Lightning93