I was just getting ready to load some .357 mags for Rossi 92. I'm using Sierra 158gr JSP and H110. I don't have any SPM primers. Just SP. LGS is out of those primers.
Can I use regular primers with that load? I have other powders available. Thanks
SP vs SPM Primers
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Ohio3Wheels
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Re: SP vs SPM Primers
I've lit H110 with both flavors in both the 357 mag and the 45 Colt and don't see any measurable difference.
Make smoke,
Make smoke,
Curt... makin' smoke and raising my carbon foot print one cartridge at a time 
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GasGuzzler
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Re: SP vs SPM Primers
H110/W296 works really well in straight wall magnum at or above weight for caliber with non-magnum primers.
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I've always been crazy but it's kept me from going insane.
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Rich44-40
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Re: SP vs SPM Primers
Thanks GasGuzzler. It looks like we share the same make of gas guzzler.GasGuzzler wrote:H110/W296 works really well in straight wall magnum at or above weight for caliber with non-magnum primers.
