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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
When the bullet goes transonic/subsonic
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<blockquote data-quote="eshell" data-source="post: 163260" data-attributes="member: 5747"><p>VERY complicated subject for sure Meichele, with more variables than can be reckoned with for me to theorize.</p><p></p><p>Below is a pic of my 24"x33" AR-500 steel plate, covered with bullet marks from 1,150 yards. The bullets that struck sideways are .308 168 grain Federal Gold Medal Match factory ammo, fired from a 26" PSS. They had still been hitting nose-on out to 1k, but fell apart not long after. Even sideways, at least some of them stayed relatively true to the aiming point. Everything else on the plate was still stable at that range and air density, and ranged from .243Win/115 DTACs to 6.5-284/Berger 140s, .300 WinMag Berger 210s and .308 175 FGMM factory ammo. IIRC, density altitude that day was around 2,500'.</p><p></p><p>At Quantico MCB, VA, where altitude density is more often around 500 to 1000', the 168s will be often be sideways as close as 800 yards.</p><p></p><p><img src="http://www.pillicustomhomes.com/eshell/213/1150yd168s.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="eshell, post: 163260, member: 5747"] VERY complicated subject for sure Meichele, with more variables than can be reckoned with for me to theorize. Below is a pic of my 24"x33" AR-500 steel plate, covered with bullet marks from 1,150 yards. The bullets that struck sideways are .308 168 grain Federal Gold Medal Match factory ammo, fired from a 26" PSS. They had still been hitting nose-on out to 1k, but fell apart not long after. Even sideways, at least some of them stayed relatively true to the aiming point. Everything else on the plate was still stable at that range and air density, and ranged from .243Win/115 DTACs to 6.5-284/Berger 140s, .300 WinMag Berger 210s and .308 175 FGMM factory ammo. IIRC, density altitude that day was around 2,500'. At Quantico MCB, VA, where altitude density is more often around 500 to 1000', the 168s will be often be sideways as close as 800 yards. [img]http://www.pillicustomhomes.com/eshell/213/1150yd168s.jpg[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
When the bullet goes transonic/subsonic
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