Of course if you could find XTerminator they are the same powder but it's been hard to get as well.
Last I saw was at Guns Unlimited in Gatesville (they are closed this week) or Bufflao Creek range near Ben Wheeler tx
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963