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07-21-2020, 10:16 AM | #3 | ||||||
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Thanks. I'm old enough to have had 20 years of duck hunting in the lead shot era and I always did fine with 1 oz of 6's at 1150 fps, so I can't imagine a 1 1/8 oz load of bismuth 4's not being enough. 1200 fps would be OK.
I bought that Precision manual (Blanks to Supersonics) when it first came out and unfortunately the useful loads all call for either PB or 7625 which have both been discontinued. |
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07-21-2020, 11:45 AM | #4 | ||||||
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i didn't have the Precision data handy, it may have discontinued powders- I fortunately will never run out of 7625
I know one of my books (maybe Lyman) has a light bismuth load for AA hulls I have fit into hulls cut to 2 1/2 - I am guessing it used longshot - and one for 2 1/2 chedittes if I find it I will post it BTW - why 1150fps? the Hogdon data has low pressure loads under 8k but at 1350fps
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"If there is a heaven it must have thinning aspen gold, and flighting woodcock, and a bird dog" GBE |
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07-21-2020, 01:48 PM | #5 | |||||||
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07-21-2020, 10:36 PM | #6 | ||||||
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Just tested by Precision for me.
12 ga. 2 1/2" Cheditte Cheditte 209 primer 20 gr. International BPI Competition Special Short 1 Oz. #5 bismuth Avg vel. 1265 Avg press. 7692 PSI Shot it all duck season last year. Wasn't a very good season but when we had ducks this worked well out 45+. Recoil isn't objectionable either, might be a bit starchy for a heavy day of clays. I shoot the same load with 1 oz. #7 or #8 lead for doves. |
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07-22-2020, 07:44 AM | #7 | |||||||
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07-28-2020, 09:28 AM | #8 | ||||||
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I finally stumbled on a load with good potential in the Precision manual. It's using Green Dot, 1 1/8 oz at 1200 fps. Just waiting for some RP12 wads to arrive. Also waiting for Rotometals to get their #4 shot back in production. I have some Rotometals bismuth 5's for starters.
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07-28-2020, 05:05 PM | #9 | |||||||
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Wag more- Bark less. |
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07-29-2020, 08:09 AM | #10 | ||||||
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You bet.
This is directly from Precision Reloading's Blanks to Supersonics manual. (p. 136) 1 1/8 oz. bismuth Win. AA hull Win. 209 Green Dot 19.5 Rem. RP12 wad 1205 fps 10,700 psi I'll most likely back down to an even 19.0 grains for starters and see what the chronograph says. Last edited by Dave Erickson; 07-29-2020 at 08:11 AM.. Reason: added the page # |
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