Quote:
Originally Posted by JohnKSa
People who aren't overly concerned with reloading safety can load nearly any caliber a lot hotter than what the manuals recommend. Book loads for 180gr bullets in the .40S&W top out around 1100fps. The fact that someone has managed to load a particular caliber to levels far exceeding what is recommended is more of a commentary on that reloader's prudence than it is an endorsement of the caliber in question.
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To be fair, Hodgdon for many years listed a 180gr JHP doing 1160 fps from a .40 S&W 4" test bbl. To get an extra ~140 fps (to hit 1300 fps) with almost an extra 1.5" of barrel and .5 (half) grain of powder shouldn't be insanely hard to believe, I've done it.