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For the 10mm Double Tap 155 grn Barnes bullet 1400 fps from a 4.6 inch barrel 675 ft lbs. Its not extra hot its just 10mm loaded like it was ment to be when the round was first introduced. Most of the stuff today is downloaded. For the 45 I use Corbon DPX 185 grn +P ammo.

I personelly try to maintain 1050 fps as my bare minimum with good ft lbs of NRG. I know alot of people use a slower bigger bullet but I just keep thinking about the test I saw on tv were they shot a 230 grn 45 FMJ and a 9mm FMJ at a American world war 2 helmet. Both from pistols.The 9 mm penetrated the helmet and the 45 put a big dent but no penetration.

Love the 45 but for me I like a little more speed with the ability to still carry a decent size bullet. That why I love the 10mm 155 grn and also why I down size the 45 to 185 grn and use a Plus P round to get the speed up with good weight for penetration. To each his own good luck!