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The Range
Ammo & Reloading
Large Primers vs Magnum Primers?
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<blockquote data-quote="Shinneryfarmer" data-source="post: 3460994" data-attributes="member: 46291"><p>What others suggested back off then slowly increase and watch for pressure signs. If you had a specific load already for your .308 a chronograph could be used to help duplicate. I had same issue during Sandy Hook, found large pistol magnum and no large pistol. Had a specific load that worked well in my Glock 30S and SA XDS 45acp. Used a chronograph to duplicate load. What I found was in a 45acp with HP38 powder(will vary with powder used) the magnum primer equaled 4 tenths of a grain. So reducing powder 4 tenths gave me the same velocity and I retained the accuracy of my pet load.</p></blockquote><p></p>
[QUOTE="Shinneryfarmer, post: 3460994, member: 46291"] What others suggested back off then slowly increase and watch for pressure signs. If you had a specific load already for your .308 a chronograph could be used to help duplicate. I had same issue during Sandy Hook, found large pistol magnum and no large pistol. Had a specific load that worked well in my Glock 30S and SA XDS 45acp. Used a chronograph to duplicate load. What I found was in a 45acp with HP38 powder(will vary with powder used) the magnum primer equaled 4 tenths of a grain. So reducing powder 4 tenths gave me the same velocity and I retained the accuracy of my pet load. [/QUOTE]
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Large Primers vs Magnum Primers?
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