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Rifles, Reloading, Optics, Equipment
Reloading
OAL or OCW first?
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<blockquote data-quote="kiwi49" data-source="post: 1901064" data-attributes="member: 82514"><p>From here in New Zealand, I recall reading an article about primer brisance. What magazine or author I don't remember (old age kicking in), but there was a series of photos, showing how far/high, the primer flame exited from the neck opening of a primed ONLY case, sitting in a case holder. The primer was then activated by some sort of spring loaded pin. Camera shot was taken in a dark room, with an open shutter. The article/author was writing in a Peterson publication, when we could afford to buy American firearms magazines here. IIRC, magnum primers had the greatest/futherest flame front. No mention was made (but memory could be faulty here), of spring pressure, firing pin extrusion length or primer seating pressure/depth.</p></blockquote><p></p>
[QUOTE="kiwi49, post: 1901064, member: 82514"] From here in New Zealand, I recall reading an article about primer brisance. What magazine or author I don't remember (old age kicking in), but there was a series of photos, showing how far/high, the primer flame exited from the neck opening of a primed ONLY case, sitting in a case holder. The primer was then activated by some sort of spring loaded pin. Camera shot was taken in a dark room, with an open shutter. The article/author was writing in a Peterson publication, when we could afford to buy American firearms magazines here. IIRC, magnum primers had the greatest/futherest flame front. No mention was made (but memory could be faulty here), of spring pressure, firing pin extrusion length or primer seating pressure/depth. [/QUOTE]
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