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Rifles, Reloading, Optics, Equipment
Reloading
The effects of changing primers
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<blockquote data-quote="Gunpowder" data-source="post: 2113881" data-attributes="member: 1425"><p>Large rifle are supposed to be the same thickness, but like someone posted federal are perhaps softer. Thus I've read warnings about their use in semi-autos, especially the m1. Now I don't know this from personal experience but I do know I use cci 34 only in the Garand. I have a dpms 300 saum that will pierce any lr primer with loads using bullets over 168 gr, including the 34s. Thus the reason many ar10 sized rifles in calibers other than 308 now use the smaller firing pin size, usually called a high pressure bolt. My dpms g2 uses that and no issues.</p><p></p><p>Small rifle I can tell for sure, cci 400 are thinner and pierce easily. I have a tc compass 204 that due to sloppy firing pin fit is a piercing sob. So no more 400s in my 204 loads for that rifle. </p><p></p><p>Btw, thanks to the link from the article above, that's a good read.</p></blockquote><p></p>
[QUOTE="Gunpowder, post: 2113881, member: 1425"] Large rifle are supposed to be the same thickness, but like someone posted federal are perhaps softer. Thus I've read warnings about their use in semi-autos, especially the m1. Now I don't know this from personal experience but I do know I use cci 34 only in the Garand. I have a dpms 300 saum that will pierce any lr primer with loads using bullets over 168 gr, including the 34s. Thus the reason many ar10 sized rifles in calibers other than 308 now use the smaller firing pin size, usually called a high pressure bolt. My dpms g2 uses that and no issues. Small rifle I can tell for sure, cci 400 are thinner and pierce easily. I have a tc compass 204 that due to sloppy firing pin fit is a piercing sob. So no more 400s in my 204 loads for that rifle. Btw, thanks to the link from the article above, that's a good read. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
The effects of changing primers
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