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Rifles, Reloading, Optics, Equipment
Reloading
QuickLoad Analysis Please? .223, 55gr bullet, 20gr Alliant 2400, 16" Barrel
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<blockquote data-quote="Pdvdh" data-source="post: 1403626" data-attributes="member: 4191"><p>Hmmm... Thanks for that workup. I don't know why I couldn't find a bullet hole on the target at 3237 fps. Clearly 2400 is an inefficient powder in the .223. Based on what the casing looks like, I figured it to be screaming. There was a hole 12-14" low, and that could have been the bullet hole due to the unreal chamber pressures. </p><p></p><p>I'll post a couple pics of the casing. It's a lesson in structural failure of a cartridge case head. How they stretch, where they stretch, what gives loose first. They should always let loose first as pressure rises in any legitimate rifle/action. That's what happened here.</p><p></p><p>Just got back in from shooting some '<strong>proper</strong>' loads in 223Rem and 357Mag. No more surprises, thank God.</p><p></p><p>Next post will include some pics. Lake City casing at 88,000psi.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1403626, member: 4191"] Hmmm... Thanks for that workup. I don't know why I couldn't find a bullet hole on the target at 3237 fps. Clearly 2400 is an inefficient powder in the .223. Based on what the casing looks like, I figured it to be screaming. There was a hole 12-14" low, and that could have been the bullet hole due to the unreal chamber pressures. I'll post a couple pics of the casing. It's a lesson in structural failure of a cartridge case head. How they stretch, where they stretch, what gives loose first. They should always let loose first as pressure rises in any legitimate rifle/action. That's what happened here. Just got back in from shooting some '[B]proper[/B]' loads in 223Rem and 357Mag. No more surprises, thank God. Next post will include some pics. Lake City casing at 88,000psi. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
QuickLoad Analysis Please? .223, 55gr bullet, 20gr Alliant 2400, 16" Barrel
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