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jim8115 · March 26, 2013, 12:07 AM

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

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.

JIM

March 26, 2013, 12:07 AM	#1
jim8115 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 HI / LOW AVG 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. JIM