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Old March 25, 2013, 11:07 PM   #1
Senior Member
Join Date: July 23, 2011
Location: Arkansas
Posts: 229
substituting mag primers

Since primers are so hard to get right now, I thought I would post these results;
158 SWC , Winchester primers

38 special 4.0 gr W231
standard primer 772/731 754
Magnum primer 783/739 763

357 Magnum 6.8 Gr Unique
Standard primer 1169/1111 1143
Magnum primer 1169/1105 1147

While I am not advocating substituting Magnum primers across the board, it appears that if you start low, work up and check your loads, you can safely use magnum primers in at least some applications.

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