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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
High Velocity Throat Erosion
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<blockquote data-quote="Calvin45" data-source="post: 2596528" data-attributes="member: 109862"><p>You're not doing anything wrong by not using magnum primers. The only case where I've seen non magnum primers have a failure (and by that I mean slight hangfire) is with compressed loads of slow burning ball powder in winter in Saskatchewan (so actually quite cold). Besides that no problem but of course if you change any part of a load including the primer you should back off and start working up again…or so they say <img class="smilie smilie--emoji" loading="lazy" alt="😁" title="Beaming face with smiling eyes :grin:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f601.png" data-shortname=":grin:" />….</p><p></p><p>An interesting bit of history: the federal 215 was the first "magnum" primer. They developed it in conjunction with the release of weatherbys massive .378 magnum, a very big case using slowish powders warranted a bigger spark. Before the late 50s there were no "magnum" or "standard" primers, just primers! That means that the .375, 300, .244 h and h, 300, 257, 270 wby, 416 rigby, and even the colossal 505 Gibbs worked just fine with ordinary primers.</p></blockquote><p></p>
[QUOTE="Calvin45, post: 2596528, member: 109862"] You’re not doing anything wrong by not using magnum primers. The only case where I’ve seen non magnum primers have a failure (and by that I mean slight hangfire) is with compressed loads of slow burning ball powder in winter in Saskatchewan (so actually quite cold). Besides that no problem but of course if you change any part of a load including the primer you should back off and start working up again…or so they say 😁…. An interesting bit of history: the federal 215 was the first “magnum” primer. They developed it in conjunction with the release of weatherbys massive .378 magnum, a very big case using slowish powders warranted a bigger spark. Before the late 50s there were no “magnum” or “standard” primers, just primers! That means that the .375, 300, .244 h and h, 300, 257, 270 wby, 416 rigby, and even the colossal 505 Gibbs worked just fine with ordinary primers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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High Velocity Throat Erosion
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