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Pressure tested a 7/8 Bismuth #15177464 08/29/20
Joined: Nov 2019
Posts: 12
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Makintrax73 Offline OP
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Posts: 12

I had limited access to supplies, and needed a non-tox load for my 2 1/2" 16ga for sharptail on WPAs. Figured I'd post up the data in case it might be helpful. Pressure testing was done by Precision Reloading:

FIO hull - New - hand trimmed to 65mm - roll crimp with PRI roll crimp tool
FIO primer
SG 16 wad
390 grains - Bismuth No. 6 taken from Kent hulls (7/8 oz +/-)
Unique Powder
________________________


19.5 grains Unique

AVG - 1,234 fps - 5,683 psi
STD DEV - 19 fps - 532 psi
EX SPR - 46 fps - 1,370 psi
_________________________

20.5 grains Unique

AVG - 1,262 fps - 6,022 psi
STD DEV - 21 fps - 220 psi
EX SPR - 50 fps - 490 psi


Re: Pressure tested a 7/8 Bismuth [Re: Makintrax73] #15178440 08/29/20
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Posts: 64
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Chocolatepossum Online Content
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Thanks for sharing!

Re: Pressure tested a 7/8 Bismuth [Re: Makintrax73] #15440816 11/22/20
Joined: Nov 2019
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harkom Offline
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hi Mtrax.
Thank you for the post - welcome information. By the way, was the Fiocchi primer a 615 or a 616.
Thanks.


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