I have a lot of AutoComp powder and while it works well in my 1911 45's, even the max load is not reliably cycling my 9mm Sig P226. I'm suffering multiple FTF's per magazine with the slide rarely locking back for an empty mag. The P226 has always been reliable with all other ammunition, both factory and reloads, and older reloads with Winchester 231 and Bullseye are performing perfectly. All three powders are pushing 115 gr FMJ's as I don't shoot much 9 mm and my casting boolits are all for 45 Auto and 38 Special wadcutters for my 1911's.
Any thoughts as I'd really like to use AutoComp for my 9mm plinking loads and save my Bullseye for 38 Special wadcutters.
Thanks in advance, sierra1911