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Rifles, Reloading, Optics, Equipment
Reloading
Winchester primers rupturing. Help!
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<blockquote data-quote="Kevin Thomas" data-source="post: 793837" data-attributes="member: 15748"><p>There's actually two components to take a look at here; the case, and the primer. I've seen both give results like this. If the case is defective (usually a gall in teh wall of the primer pocket) it can allow gas to escape, creating this result. If it's the primer, I've seen small pinholes in the anulus or radius of the primer cup rupture, again resulting in this sort of damage. </p><p> </p><p>Since you've seen it in two different chamberings (and obviously two different lots of brass), this leaves the primers. If the same primers were used in both the 243 and 300, I'd say that points out the problem pretty clearly. </p><p> </p><p>Save the box, and give Winchester a call. They'll ask for the lot number, which will be marked on the box. Talk to them and see what they may be able to do for you, both in terms of replaceing the primers and possibly repairing the bolt faces.</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 793837, member: 15748"] There's actually two components to take a look at here; the case, and the primer. I've seen both give results like this. If the case is defective (usually a gall in teh wall of the primer pocket) it can allow gas to escape, creating this result. If it's the primer, I've seen small pinholes in the anulus or radius of the primer cup rupture, again resulting in this sort of damage. Since you've seen it in two different chamberings (and obviously two different lots of brass), this leaves the primers. If the same primers were used in both the 243 and 300, I'd say that points out the problem pretty clearly. Save the box, and give Winchester a call. They'll ask for the lot number, which will be marked on the box. Talk to them and see what they may be able to do for you, both in terms of replaceing the primers and possibly repairing the bolt faces. [/QUOTE]
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Winchester primers rupturing. Help!
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