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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.223 reloading cartridge problems
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<blockquote data-quote="Kennibear" data-source="post: 951885" data-attributes="member: 51650"><p>No offense sidecarflip but....</p><p>NATO spec for 556 is USA 63Kpsi max and SAAMI max for 223 is 55Kpsi. The bullet leade is longer on NATO 556 to accommodate heavy bullets. When I measured brass back in the day the milspec brass was the same capacity as commercial. Western Powders lists two different load tables, one for 223 @ 55 Kpsi max and another for 556 @ 62,350psi. If the brass is an odd duck (like "CJ" headstamp) the capacity can vary a lot.</p><p></p><p>I'd send in a pix of my 556 brass collection but the camers lense is not a wide angle....</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 951885, member: 51650"] No offense sidecarflip but.... NATO spec for 556 is USA 63Kpsi max and SAAMI max for 223 is 55Kpsi. The bullet leade is longer on NATO 556 to accommodate heavy bullets. When I measured brass back in the day the milspec brass was the same capacity as commercial. Western Powders lists two different load tables, one for 223 @ 55 Kpsi max and another for 556 @ 62,350psi. If the brass is an odd duck (like "CJ" headstamp) the capacity can vary a lot. I'd send in a pix of my 556 brass collection but the camers lense is not a wide angle.... KB [/QUOTE]
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.223 reloading cartridge problems
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