Speer 9 shows Ruger load max BD 14.8gr. under 250gr SWC for +1,200fps. (25Kpsi). 16.5gr of BD has to be over 35K psi. Personally 14gr. of BD is one of the most accurate loads in my .45 Colt Super BH around 1,100fps.Some hot .45 Colt loads that I've tried and really liked:
· 255 grain cast bullet & 16.5 grains of Blue Dot
· 255 grain cast bullet & 12.2 grains of Herco
These loads appear to be safe in my Ruger Bisley, but use at your own risk.
My favorite .45 Colt load is a 230 grain cast bullet with 7.5 grains of Red Dot or Promo. I haven't tried it with a 250 or 255 bullet yet.
"Everything they do is so dramatic and flamboyant. It just makes me want to set myself on fire!" —Lucille Bluth