Well since i own a Douglas 1-32, a Savage 1-24 and have owned numerous 1-28s, i can say you probably wont see a difference unless you try shooting light weights in the 1-24. My 1-32 shoots 225gr-275gr 45cal bullets (Including Barnes) with exceptional accuracy. Ive even shot the 325gr FTX with "ok" results.

That being said i would likely go with a 1-28 if i was ordering a custom twist just because it works good with the largest variety of bullets and probably even powders. One things for sure my 1-32 LOVES the 225gr 45LC XPB and so does my shoulder at SML speeds in the NULA.