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Scary Thought on Primers
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<blockquote data-quote="del2les" data-source="post: 2478907" data-attributes="member: 9299"><p>It can be done, but with some precautions. We have intentionally used pistol primers in rifles and rifle primers in pistol loads, but not all primers are equal in cup thickness and strength. Decades ago while preparing several thousands of rounds for an upcoming Pdog shoot, I inadvertently spilled some SRP on the bench, and then proceeded to collect them and place in the primer tube of my Dillion. Unfortunately, there were a few loose SPP lying on the bench, and they became mixed with the SRP. During the Pdog shoot, I noticed a few rounds began to cause gas blow back around the firing pin and into my face. The SPP were piercing at the firing pin indent.</p><p></p><p>As for using rifle primers in handguns, I do this rather frequently for some of my high pressure loads like, 38 Super+P+, 9x23 Win, 357 Mag, 357 RemMax, 44 Mag, 45 WinMag, and a couple of others. Most of these guns have either proven ability to properly indent the primer or they have been modified with increased hammer springs. Also, they have been checked to insure the rifle primers are not extending beyond the back of the case, as this can cause problems. Be careful here, as some brands and batches of brass may have too shallow a primer pocket.</p><p></p><p>While most of these loads do not "require" a rifle primer, it has deceased the chances of blowing one with some of my high pressure rounds. Especially the 38 Super +P+ and the 9x23 Win, which is basically a 223 case cut down and running in the 50-55K PSI range.</p><p>Similarly, using LPP, usually magnums, in a rifle round may function well, but her again, use some caution and experiment first. Large rifle primer pockets are typically deeper, so the LPP may sit a little too deep for some firing pins and cause hang or misfires or pierced primers due to too thin of cups.</p><p></p><p>Basically, start low and work up, experiment and enjoy increasing your loading knowledge and shooting pleasure.</p></blockquote><p></p>
[QUOTE="del2les, post: 2478907, member: 9299"] It can be done, but with some precautions. We have intentionally used pistol primers in rifles and rifle primers in pistol loads, but not all primers are equal in cup thickness and strength. Decades ago while preparing several thousands of rounds for an upcoming Pdog shoot, I inadvertently spilled some SRP on the bench, and then proceeded to collect them and place in the primer tube of my Dillion. Unfortunately, there were a few loose SPP lying on the bench, and they became mixed with the SRP. During the Pdog shoot, I noticed a few rounds began to cause gas blow back around the firing pin and into my face. The SPP were piercing at the firing pin indent. As for using rifle primers in handguns, I do this rather frequently for some of my high pressure loads like, 38 Super+P+, 9x23 Win, 357 Mag, 357 RemMax, 44 Mag, 45 WinMag, and a couple of others. Most of these guns have either proven ability to properly indent the primer or they have been modified with increased hammer springs. Also, they have been checked to insure the rifle primers are not extending beyond the back of the case, as this can cause problems. Be careful here, as some brands and batches of brass may have too shallow a primer pocket. While most of these loads do not "require" a rifle primer, it has deceased the chances of blowing one with some of my high pressure rounds. Especially the 38 Super +P+ and the 9x23 Win, which is basically a 223 case cut down and running in the 50-55K PSI range. Similarly, using LPP, usually magnums, in a rifle round may function well, but her again, use some caution and experiment first. Large rifle primer pockets are typically deeper, so the LPP may sit a little too deep for some firing pins and cause hang or misfires or pierced primers due to too thin of cups. Basically, start low and work up, experiment and enjoy increasing your loading knowledge and shooting pleasure. [/QUOTE]
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