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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 210 VLD on Black Bear - Field Report
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<blockquote data-quote="Pdvdh" data-source="post: 213003" data-attributes="member: 4191"><p>Thanks for contributing your experiences. Very interesting to me since I'm pretty interested in using them for long range shots at big game where the bullet velocity will have slowed quite a bit prior to impact.</p><p></p><p>Here's another bit of information on the construction of these bullets that I didn't realize. Maybe everybody else already knows this, but here goes. Earlier this spring (5 weeks ago) I fired two of the 210 VLDs into the side of a vertical bedrock cliff from 812 yds away. I had a cardboard target propped in front of the cliff. There was still a lot of snow on the ground at that time. Well last weekend I went up to set a target up in front of the cliff again and I found a small circular piece of copper jacket laying on the ground surface just beneath the point of impact from the two shots I'd fired 5 weeks early. Upon closer examination I realized it was the base of the copper jacket - a little larger than 30 caliber in diameter. What blew me away was how thin this jacket material is! I didn't try to measure its thickness with a micrometer since it wasn't exactly flat, but I would estimate the jacket is about as thick as 2 sheets of Xerox copier paper. No more than three sheets of paper. The jacket material is literally paper thin. So the composition of the lead itself is basically what controls the rate of expansion / fragmentation of these VLD bullets. This would explain why they appear to expand so reliably, even at the lower velocities associated with long range. </p><p></p><p>By the way, I completed processing the black bear and nothing new to report there. I didn't find any sizeable pieces of lead or jacket material. But numerous small pieces of lead, and a few small pieces of copper jacket. I would describe the bullet's upset as shrapneling, rather than expanding at 3000 fps.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 213003, member: 4191"] Thanks for contributing your experiences. Very interesting to me since I'm pretty interested in using them for long range shots at big game where the bullet velocity will have slowed quite a bit prior to impact. Here's another bit of information on the construction of these bullets that I didn't realize. Maybe everybody else already knows this, but here goes. Earlier this spring (5 weeks ago) I fired two of the 210 VLDs into the side of a vertical bedrock cliff from 812 yds away. I had a cardboard target propped in front of the cliff. There was still a lot of snow on the ground at that time. Well last weekend I went up to set a target up in front of the cliff again and I found a small circular piece of copper jacket laying on the ground surface just beneath the point of impact from the two shots I'd fired 5 weeks early. Upon closer examination I realized it was the base of the copper jacket - a little larger than 30 caliber in diameter. What blew me away was how thin this jacket material is! I didn't try to measure its thickness with a micrometer since it wasn't exactly flat, but I would estimate the jacket is about as thick as 2 sheets of Xerox copier paper. No more than three sheets of paper. The jacket material is literally paper thin. So the composition of the lead itself is basically what controls the rate of expansion / fragmentation of these VLD bullets. This would explain why they appear to expand so reliably, even at the lower velocities associated with long range. By the way, I completed processing the black bear and nothing new to report there. I didn't find any sizeable pieces of lead or jacket material. But numerous small pieces of lead, and a few small pieces of copper jacket. I would describe the bullet's upset as shrapneling, rather than expanding at 3000 fps. [/QUOTE]
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Berger 210 VLD on Black Bear - Field Report
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