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RE: Kimber Gold Combat 45 conversion to 460Rowland

in Outdoors and more4 years ago (edited)

Holy cow, 40,000 PSI. Never heard of this cartridge before but it looks neat. This link says there's an 80 grain bullet with a muzzle velocity of over 3000 ft/second... really?! Wonder what length barrel that's coming out of

Looking a little closer it says 5.5"... wow. It also says the source is from the Rowland company so I'll take that with 80 grains of salt. Can you really beat rifle-length 5.56 muzzle energy with a 1911?

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Holy cow! That's the first I've heard of the 80 grain loads. This is much higher pressures than normal .45 though. Not safe to shoot in a normal .45 without the specially hardened chamber, barrel and springs/compensator. Hence the slightly longer case to prevent accidents. The other numbers seem accurate from the table that I have of standard loads. I can't imagine the 80 grain would be very accurate past 15-20 yards though. Both mine shoot the 185 grain very nicely out to 50 yards, haven't tried further yet.
460RowlandLoads.jpg