Well, I've been shooting my 10.5" 500 for a month or two now, and I really enjoy it. I haven't shot any factory yet, but a variety of handloads. I've shot 330 gr lead RNFP with Trail Boss and Unique, and Berry's Plated 350gr with Power Pistol, 2400, and 300MP. The most powerful round I've shot was the max load of 300MP, which was running around 1600.

Assuming my chronograph is correct, these are still several hundred fps below a factory 350gr, right? I still need to play around with magnum primers and some slower powders. But I'm having fun.

About 15-20 of the stouter loads is enough for a range session if I still want to be able to shoot other things. But I must admit, full power 357 out of my 640 doesn't seem as much as it used to!

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NRA Benefactor Member