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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet failures
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<blockquote data-quote="73driver" data-source="post: 2404814" data-attributes="member: 36473"><p>This. I do not get this because it is so random. I shot one spike bull at under 50 yards with a Sierra 30 cal 165 gr going about 2880 fps at impact. This cup and core had full penetration. Mule deer doe at 40 yards 140 gr Sierra flat base spire point (about as cup and core as there is) at 2900 fps on impact make full pass through the boiler room. A dozen more lethal hits on deer 75-125 yards with cup and core and not a single blowup-failure to penetrate. First, none were magnum cartridges, 30-06, 270 Win and 7-08. Second, just a plain Jane Sierra basic bullet, no fancy name with letters like TNT, ICBM etc or a plastic tip. Is it the magnum velocities? Are there batches of bullet lead that are just brittle? The amazing accounts are that a 30 cal 210 grain bullet vaporizes on the hide. HUH? I would think a hunk of lead that big would throw at least several decent fragments through the onside lung. But a big bullet coming apart like it hit a slab of steel is hard to comprehend. If you say it happened I believe you. At the same time I am thinking it's very odd and what could cause such an anomaly. I do have a good bit of experience with cup and core on deer and elk and maybe not enough or I would eventually experience such a failure.</p></blockquote><p></p>
[QUOTE="73driver, post: 2404814, member: 36473"] This. I do not get this because it is so random. I shot one spike bull at under 50 yards with a Sierra 30 cal 165 gr going about 2880 fps at impact. This cup and core had full penetration. Mule deer doe at 40 yards 140 gr Sierra flat base spire point (about as cup and core as there is) at 2900 fps on impact make full pass through the boiler room. A dozen more lethal hits on deer 75-125 yards with cup and core and not a single blowup-failure to penetrate. First, none were magnum cartridges, 30-06, 270 Win and 7-08. Second, just a plain Jane Sierra basic bullet, no fancy name with letters like TNT, ICBM etc or a plastic tip. Is it the magnum velocities? Are there batches of bullet lead that are just brittle? The amazing accounts are that a 30 cal 210 grain bullet vaporizes on the hide. HUH? I would think a hunk of lead that big would throw at least several decent fragments through the onside lung. But a big bullet coming apart like it hit a slab of steel is hard to comprehend. If you say it happened I believe you. At the same time I am thinking it's very odd and what could cause such an anomaly. I do have a good bit of experience with cup and core on deer and elk and maybe not enough or I would eventually experience such a failure. [/QUOTE]
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