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Rifles, Reloading, Optics, Equipment
Reloading
MATCH Primer Ignorance
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<blockquote data-quote="Hugnot" data-source="post: 3080865" data-attributes="member: 115658"><p>Lotza info out there but most not quantitative, like "they told me that" or results determined with many other factors included such as powder type/amount, bullet, case, and environmental conditions.</p><p></p><p>I like this:</p><p></p><p>[URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL]</p><p></p><p>because it shows actual blast wave pressures measured by transducer.</p><p></p><p>I have become a fan of the tiny but zippy Rem 7 1/2 (table 1) because it sets off 40 grain (or about) charges of various, suitable ball powders in my 6MM CM, 6.5 CM, .243W (reformed SRP .260 Rem brass) and other SRP brass and my LGS has lots of them.</p><p></p><p>Observe just like how zippy the Rem 7 1/2 is ( hi kilo Pascals). Is a "bench rest primer" as good as a "match primer"?? My casual shooting standards can accept the relatively hi SD's of the Rem 7 1/2 in comparison with other SRP's and are comparable with other LRP kP measurement SD's.</p><p></p><p>CCI 41's work good for 5.56 AR loads and have proven to be more than adequate for .20P, .204R, & .223 R rodent rifle loads, often producing 1 hole groups at 100 and less than 1 MOA accuracy at 300.</p><p></p><p>During the current primer availability crisis I use what ever I can buy. One of my LGS' had 1,500 Fiocchi LRP for $199.99 - I was about to buy but somebody else got them. The Fiocchi LRP has proven to work good in all my rifles shooting loads having less than 60 grains of powder.</p><p></p><p>My limited stash of Fed 215M's (the king of all primers) are used for .300WM loads.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 3080865, member: 115658"] Lotza info out there but most not quantitative, like "they told me that" or results determined with many other factors included such as powder type/amount, bullet, case, and environmental conditions. I like this: [URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL] because it shows actual blast wave pressures measured by transducer. I have become a fan of the tiny but zippy Rem 7 1/2 (table 1) because it sets off 40 grain (or about) charges of various, suitable ball powders in my 6MM CM, 6.5 CM, .243W (reformed SRP .260 Rem brass) and other SRP brass and my LGS has lots of them. Observe just like how zippy the Rem 7 1/2 is ( hi kilo Pascals). Is a "bench rest primer" as good as a "match primer"?? My casual shooting standards can accept the relatively hi SD's of the Rem 7 1/2 in comparison with other SRP's and are comparable with other LRP kP measurement SD's. CCI 41's work good for 5.56 AR loads and have proven to be more than adequate for .20P, .204R, & .223 R rodent rifle loads, often producing 1 hole groups at 100 and less than 1 MOA accuracy at 300. During the current primer availability crisis I use what ever I can buy. One of my LGS' had 1,500 Fiocchi LRP for $199.99 - I was about to buy but somebody else got them. The Fiocchi LRP has proven to work good in all my rifles shooting loads having less than 60 grains of powder. My limited stash of Fed 215M's (the king of all primers) are used for .300WM loads. [/QUOTE]
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