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Old September 13, 2012, 02:10 PM   #10
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Join Date: November 8, 2010
Location: Osceola, WI
Posts: 140
With a properly prepped bore, I've shot 310 grain TC-SWC from my 10.5" Ruger Super Blackhawk at 1440 fps rough average, while shooting metallic sihlouettes (sp??). These were handcast from wheelweights.
Definitely a WARM loading, but with proper sizing and lube, little leading will occur. If you want, gas check bullets will lead less but sizing is very important.

Reference: NEI al mold 310-320 grain dependent on alloy mix.
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