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The Range
Ammo & Reloading
Substituting SR for SP primers ?
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<blockquote data-quote="swampratt" data-source="post: 3417006" data-attributes="member: 15054"><p>Some rifle primers are harder to put a dent into and make them go off. Thicker primer cup and possibly a bit more space from anvil to the end of the cup.</p><p></p><p>You should test a few rounds for ignition before you make up a bunch of them.</p><p>Your firing pin may not strike them hard or deep enough.</p><p></p><p>You can also use the small pistol primers in a rifle.</p><p>I have done it in .223 with the CCI 550 primers.</p><p>Now the same caution but this time a small dink can set some brands of pistol primers off in a rifle when chambering.</p><p>Called slam fire.</p><p></p><p>When I tested CCI 400, 450 and 550 in .223 the 400 pierced and cratered more than the 550 and the 450 never pierced.</p><p>Yes I was testing to fail point for my own knowledge on primers I had on hand. And testing for best accuracy.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3417006, member: 15054"] Some rifle primers are harder to put a dent into and make them go off. Thicker primer cup and possibly a bit more space from anvil to the end of the cup. You should test a few rounds for ignition before you make up a bunch of them. Your firing pin may not strike them hard or deep enough. You can also use the small pistol primers in a rifle. I have done it in .223 with the CCI 550 primers. Now the same caution but this time a small dink can set some brands of pistol primers off in a rifle when chambering. Called slam fire. When I tested CCI 400, 450 and 550 in .223 the 400 pierced and cratered more than the 550 and the 450 never pierced. Yes I was testing to fail point for my own knowledge on primers I had on hand. And testing for best accuracy. [/QUOTE]
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Substituting SR for SP primers ?
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