I load 5.0 grains of HP-38 under a 170 grain Missouri Bullet LSWC which is accurate and doesn't lead at all. I did have a load for 180 bullet from them to that didn't lead and was just as accurate but I prefer the SWC to the TCFP bullet so I don't know that load off the top of my head. Both these loads are great in my M&P 40 but you need to start at the bottom of the load data and work up for your pistol as the 40 S&W isn't as forgiving as some cartridges.

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Drew