I just purchased a Kahr MK40(.40 cal) and will be handloading for this gun. I am leaning towards the lighter bullets as there is not a lot of barrel length for powder burn time to take place. Maybe I'm wrong in this choice, but it seems logical that a lighter bullet would obtain a faster speed before it leaves the barrel than a heavy one. Any thoughts on this subject?
Also, I would like to know if anyone has found a powder that works well in such a short barrel.
Thanks for any advice.
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