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I've been reloading 9mm for about 25 years and made a pretty comprehensive study of bullets, powders, loads, etc. My goal was to find a load that worked well is all my 9MMs with differing barrel lengths, rifling, etc.

My conclusion is that a 115 gr. plated or jacketed bullet at 1150 fps minimum came closest to the ideal load. It's accurate and reliable.

Need to be careful with plated bullets because not all are created equal. Plating thickness can vary from 0.003" up to 0.012". Jacketed bullets range from about 0.017" to 0.032". Lead tends to be soft.

My favorite powder is Alliant Power Pistol. Yes it tends to be loud and flashy but that's OK for the range and competition. Loads range from 6.0 to 6.5 depending on whether the bullet is plated or jacketed, and also depending on the bullet diameter.

What are your favorite 9MM loads?
I cast the Magma Engineering 147 FP 9mm to around 14 BNH using about 2% tin added with foundry type upon range salvage lead, use it for all of my nines, with Magma Blue lube, sized 0.357" (most likely) or 0.358"

3.1 to 3.5 grains 3.5 grains (max load, Winchester booklet) W231. It is deadly accurate. At 3.1 grains W231, this is a modest load. It shoots for six hundred OR MANY MORE rounds in any pistol I own before cleaning is required, and does not lead at all. The propellant smokes a bit but burns fairly clean.

I have shot tens of thousands of this load, 15K in my G19 alone! (And it still looks like new.)
 
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