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Rifles, Reloading, Optics, Equipment
Reloading
CCI 250 mag primers not igniting?
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<blockquote data-quote="Pdvdh" data-source="post: 348480" data-attributes="member: 4191"><p>You didn't say if the primers were being forcefully struck by the firing pin or not. Is there a good sized depression in the primers that didn't light up? At least as deep as on the 215s that ignited properly?</p><p></p><p>If the primers aren't defective, then here are some possibilities I can think of:</p><p></p><p>1) Have you accidentally set the shoulder back too far so that the beltless case head is not kept in firm contact with the bolt face when your reloaded ammo is chambered?</p><p>2) Is your firing pin falling freely; not bound up with dirt, corrosion, or as Broz was thinking - a piece of perforated primer or other debris?</p><p>3) How cold was it when you shot the CCI 250s? I've had cold weather cause misfires when my firing pin assembly wasn't degreased in colder weather. The grease gets thick enough that the firing pin doesn't fall quickly enough to set off the primers.</p><p>4) How old are the CCIs? And even then I would only be concerned if they were stored through wide temperature and humidity swings, of if they were somehow tainted while in storage.</p><p>5) If the dud primers are impacted heavily and they aren't igniting... I've seen WD-40 deactivate primers in the past. Didn't get WD-40 or any other penetrating solvent spilled or sprayed on the loaded shells, the empty cases, or primer pockets or primers did you? </p><p></p><p>Let us know what you figure out. I doubt that CCI sent out a batch of fresh, defective primers.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 348480, member: 4191"] You didn't say if the primers were being forcefully struck by the firing pin or not. Is there a good sized depression in the primers that didn't light up? At least as deep as on the 215s that ignited properly? If the primers aren't defective, then here are some possibilities I can think of: 1) Have you accidentally set the shoulder back too far so that the beltless case head is not kept in firm contact with the bolt face when your reloaded ammo is chambered? 2) Is your firing pin falling freely; not bound up with dirt, corrosion, or as Broz was thinking - a piece of perforated primer or other debris? 3) How cold was it when you shot the CCI 250s? I've had cold weather cause misfires when my firing pin assembly wasn't degreased in colder weather. The grease gets thick enough that the firing pin doesn't fall quickly enough to set off the primers. 4) How old are the CCIs? And even then I would only be concerned if they were stored through wide temperature and humidity swings, of if they were somehow tainted while in storage. 5) If the dud primers are impacted heavily and they aren't igniting... I've seen WD-40 deactivate primers in the past. Didn't get WD-40 or any other penetrating solvent spilled or sprayed on the loaded shells, the empty cases, or primer pockets or primers did you? Let us know what you figure out. I doubt that CCI sent out a batch of fresh, defective primers. [/QUOTE]
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CCI 250 mag primers not igniting?
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