Yes, it is a viable alternative. Make some shells up and have Tom Armbrust or Ballistic Products test them. High Gun and Titegroup are the same powders, just packaged differently. They are right by AS on the burn rate chart. Start with one-size smaller bushing than your AS load. Make 3-5 and test fire them. Even better if you have a chronograph to test their speed too. Barrels should stay relatively clean and no heavy muzzle flash if the pressure is good. Whichever load you like best, send off to be tested. Include exact load data with it.
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