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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
is copper jacket spinning around lead core during flight
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<blockquote data-quote="MagnumManiac" data-source="post: 2276428" data-attributes="member: 10755"><p>This a known phenomenon with light for calibre bullets spun at very high speeds. It is called 'stripping' the rifling, the jacket and core become separated as you describe and spin independently of each other.</p><p>It is often the reason that bullets are ripped apart by fast twist rifling.</p><p>Best I ever saw of it was with a 300WM firing Speer 125g TNT bullets at about 3500fps….a large puff of blue about 20-25yrds from the muzzle and the target was peppered with tiny bits of lead, no jacket material was found that far out. It was witnessed by half a dozen people at my range….we all had a chuckle over it.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2276428, member: 10755"] This a known phenomenon with light for calibre bullets spun at very high speeds. It is called ‘stripping’ the rifling, the jacket and core become separated as you describe and spin independently of each other. It is often the reason that bullets are ripped apart by fast twist rifling. Best I ever saw of it was with a 300WM firing Speer 125g TNT bullets at about 3500fps….a large puff of blue about 20-25yrds from the muzzle and the target was peppered with tiny bits of lead, no jacket material was found that far out. It was witnessed by half a dozen people at my range….we all had a chuckle over it. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
is copper jacket spinning around lead core during flight
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