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Rifles, Reloading, Optics, Equipment
Reloading
Large rifle primer vs magnum
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<blockquote data-quote="Bart B" data-source="post: 561656" data-attributes="member: 5302"><p>The first requirement for good primer performance is a firing pin spring with the correct rating. A weak one won't smack any primer hard enough to make its ignition consistantly uniform. Weak springs cause vertical shot stringing. And firing pin springs weaken over time. Replacing my factory 23 pound ones with 26 pound ones made a big difference.</p><p></p><p>I used the mildest large rifle primer made; RWS 5341 in wearing out two 30 caliber magnum barrels in matches. Even in 35 degree weather, they worked very well indeed. I don't think you have to use magnum primers; they're usually not as uniform as standard ones. Wolf magnum primers may well be the most uniform.</p></blockquote><p></p>
[QUOTE="Bart B, post: 561656, member: 5302"] The first requirement for good primer performance is a firing pin spring with the correct rating. A weak one won't smack any primer hard enough to make its ignition consistantly uniform. Weak springs cause vertical shot stringing. And firing pin springs weaken over time. Replacing my factory 23 pound ones with 26 pound ones made a big difference. I used the mildest large rifle primer made; RWS 5341 in wearing out two 30 caliber magnum barrels in matches. Even in 35 degree weather, they worked very well indeed. I don't think you have to use magnum primers; they're usually not as uniform as standard ones. Wolf magnum primers may well be the most uniform. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Large rifle primer vs magnum
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