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08-15-2019, 01:32 PM
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Quote:
Originally Posted by
Milton C Starr
Rio sells a #4 bismuth load in 16 ga , its 1 oz @ 1200fps but its a 2 3/4" chamber .
Rio # RBI164
Yeah, but I think I read on another board that they are in 9000 to 10,000 psi range.