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Rifles, Reloading, Optics, Equipment
Reloading
Magnum primers - what effect on standard rounds?
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<blockquote data-quote="Hugnot" data-source="post: 2298404" data-attributes="member: 115658"><p>I use nothing but small rifle magnum primers in my .223, .20P, .204R & 6.5X47Lapua, preferring them over the standard primers because the magnum primer cups are thicker by .005 or slightly more depending on primer comparison. I have had CCI 400 primer dimples extruded into the bolt face firing pin hole and this is with a tight fit between firing pin and bolt face hole. CCI BR4 (bench rest types) primers have the same cup thickness as 450's & 7 1/2's - .025". My feeling is that thin cup small rifle primers are best suited for low pressure use.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2298404, member: 115658"] I use nothing but small rifle magnum primers in my .223, .20P, .204R & 6.5X47Lapua, preferring them over the standard primers because the magnum primer cups are thicker by .005 or slightly more depending on primer comparison. I have had CCI 400 primer dimples extruded into the bolt face firing pin hole and this is with a tight fit between firing pin and bolt face hole. CCI BR4 (bench rest types) primers have the same cup thickness as 450's & 7 1/2's - .025". My feeling is that thin cup small rifle primers are best suited for low pressure use. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Magnum primers - what effect on standard rounds?
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