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Discussion Starter · #1 ·
for power produced in the same size and wt gun. For instance, it's pretty rare for all 6 chambers of a 4" barreled, 9.5" long .44 mag to average 1300 fps with factory 240 gr jhp's. Many of the factory loads barely crack 1200 fps under such conditions. Put a 6" barrel in a 1911, and it's the same 9.5" OAL as the .44, and it will get a 230 gr jhp to 1400 fps, no problem, if it's rechambered for the .060" longer, stronger case of the 460.
 
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