Standard Federal Small Pistol Primers vs Magnum

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Standard Federal Small Pistol Primers vs Magnum

Post by KCKral on Thu Feb 14, 2013 12:53 pm

Anyone have any experience with these 2 different primers from Federal. I usually load for .32 wadcutter using the standard primers and I've been very happy with the results. With all the shortages on ammo and supplies I was lucky enough to find the Federal Magnums on a shelf, so I grabbed them. I'm just wondering what I should expect.

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Re: Standard Federal Small Pistol Primers vs Magnum

Post by DeweyHales on Thu Feb 14, 2013 2:14 pm

In 9mm, I have found very little difference between standard and magnum primers in terms of velocity gains.

The standard advice of start low and work up applies.
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Re: Standard Federal Small Pistol Primers vs Magnum

Post by DavidR on Thu Feb 14, 2013 3:18 pm

As long as your not loading near the maximum powder charge you will be fine but magnum primers are designed for slower powders, they burn hotter and for a longer period so do some testing before loading a whole bunch.
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Re: Standard Federal Small Pistol Primers vs Magnum

Post by KCKral on Thu Feb 14, 2013 3:52 pm

DavidR wrote:As long as your not loading near the maximum powder charge you will be fine but magnum primers are designed for slower powders, they burn hotter and for a longer period so do some testing before loading a whole bunch.
That's what I figured on doing. I'm using BE powder. Thanks

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Re: Standard Federal Small Pistol Primers vs Magnum

Post by C.Perkins on Thu Feb 14, 2013 9:43 pm

I use WSPM primers with 2.8gr Bullseye under a Rem 148gr LHBWC in my M52-1
Bullseye can be a dirty powder, but with the magnum primer and a light bullseye shooting load it is accurate and clean burning.
For what it is worth.
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