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Rifles, Reloading, Optics, Equipment
Reloading
Shorter COAL Less Pressure???
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<blockquote data-quote="Zen Archery" data-source="post: 2495073" data-attributes="member: 60545"><p>For my wildcat caliber Case Overall Length 1.690.</p><p>In working up the cases I trimmed some to 1.675.</p><p>As always I am running these loads really hot (5000fps HOT).</p><p></p><p>I noticed the cases at 1.690 had ejection mark, flat and pierced primer.</p><p>I noticed cases at 1.675 had ejection shine and flat primer.</p><p></p><p>Accuracy wise the bullets like to be loaded deep into the case. All the way to the shoulder. Big jump? (Wildcats are so unpredictable!)</p><p>There is about a .020 measurable difference with the longer cases showing better accuracy.</p><p></p><p>Question, why would a longer case produce more pressure signs on the case versus shorter case?</p><p>I can only presume the lack of wiggle room in the chamber causes the pressure on the cases versus having the .015 room to blow out.</p><p></p><p>Any thoughts or experience with this?</p><p></p><p>On a side note. I had to drill out the gas port. Talk about INTIMIDATING. But It's fully funtioning now. PDOGS in 1 month!!!</p><p></p><p>Cycle test for your viewing entertainment!</p><p>[MEDIA=rumble]vx1c8i[/MEDIA]</p></blockquote><p></p>
[QUOTE="Zen Archery, post: 2495073, member: 60545"] For my wildcat caliber Case Overall Length 1.690. In working up the cases I trimmed some to 1.675. As always I am running these loads really hot (5000fps HOT). I noticed the cases at 1.690 had ejection mark, flat and pierced primer. I noticed cases at 1.675 had ejection shine and flat primer. Accuracy wise the bullets like to be loaded deep into the case. All the way to the shoulder. Big jump? (Wildcats are so unpredictable!) There is about a .020 measurable difference with the longer cases showing better accuracy. Question, why would a longer case produce more pressure signs on the case versus shorter case? I can only presume the lack of wiggle room in the chamber causes the pressure on the cases versus having the .015 room to blow out. Any thoughts or experience with this? On a side note. I had to drill out the gas port. Talk about INTIMIDATING. But It's fully funtioning now. PDOGS in 1 month!!! Cycle test for your viewing entertainment! [MEDIA=rumble]vx1c8i[/MEDIA] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shorter COAL Less Pressure???
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