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I test fired some across my chrono yesterday. 45 Colt with a 180gr bullet loaded with 5.0grs of Titegroup. Produced an average of 836fps. If you do the math this setup results in a 150.48 power factor. I will end up increasing the powder charge a little bit.

Like Joe, I got rid of questionable brass years ago. With Wild Bunch loads, you should never have to worry about loose primer pockets. You’ll crush brass or lose it before primer pockets get loose.

231 is an excellent choice for 9mm (even better in 9mm than .45 Auto). 4.7-4.8 grains with a Hornady 115 rn at 1.100" puts it at the upper pressure range for 9mm, so I wouldn't push it more than that. The 5.1 grain load exceeds +P numbers. At 4.7 you will be making 136 pf, which is just about perfect. Colt does not use ramped barrels for 9mm 1911s so I would stick to round nose bullet designs. My non-ramped 9mm doesn't like flat bullets at all. I have had really good luck with the Mec Gar magazines recently. Before that I was using Tripp Research magazines for a long time.

I have used TG in a lot of .45 Colt loads. I never worried much about the velocity because all my 200 grain loads easily made a power factor of 165 - close to 180. I ran 6.2 grains of TG. But I suggest you start with 5.7 grains. Your load "velocity requirement range" is kinda slow - so with the chamber diameter and even bore variances, you will need to chrono the load. It will be a sooty load and probably not seal the chamber very well. Keeping the gas blow back down to a livable level out of Uberti toggle gun was the main reason I ran about 6.2 grains - that was enough chamber pressure to seal a .45 Colt case, even if not annealed. good luck, GJ

That's the dream

Ha!

As they say, "it is what it is, not always what one hopes for"