Primers in Starline 32-20

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Standard Member

Cherokeetracker01 posted this 13 hours ago

On Starline website 32-20 brass states, small pistol primer. Curious about other brass, since 32-20 started as a rifle cartridge. I know that small rifle and small pistol primers are different in the height. Also flame length, cup hardness, probably some more differences. Anyone noticing or tested things such as velocity or POI VS POA with favorite loads?

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CBA Member

lotech posted this 9 hours ago

In testing for accuracy some years ago using a Marlin, I found the Remington 7 1/2 provided slightly better accuracy than several others I tried. I don't recall point of impact vs. point of aim differences at fifty yards. If there were any, I doubt they were significant.

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Standard Member

Cherokeetracker01 posted this 7 hours ago

Oops !!!! I have probably placed this in the wrong category. Also I read some posts on using different primers. Question answered. Just to clarify, I will match primers with powders, and try to stay with Load book recipes. Thanks

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CBA Member

gnoahhh posted this 5 hours ago

There's no difference in SP and SR physical dimensions. There are differences in the chemical/flame/brizance/cup hardness/etc - you're on your own there.

In .32-20 I routinely use SP primers until loads creep into the higher pressure/medium-slow burn rate powder area.

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CBA Member

Ed Harris posted this 1 hour ago

Large rifle and large pistol are different heights, but small pistol and small rifle are dimensionally the same. The only time you need rifle primates are for high pressure loads if the firing pin is not bushed. Pistol primers are normally OK to 35,000 psi in .357 Magnum, etc.

73 de KE4SKY In Home Mix We Trust From the Home of Ed's Red in "Almost Heaven" West Virginia

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CBA Member

Ed Harris posted this 1 hour ago

Hate auto fill. Unable to edit post... Gotta love those monkey primers...

73 de KE4SKY In Home Mix We Trust From the Home of Ed's Red in "Almost Heaven" West Virginia