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Long Range Hunting & Shooting
Larger diameter bullets allow more room for error?
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<blockquote data-quote="MagnumManiac" data-source="post: 1540896" data-attributes="member: 10755"><p>One simple fact is that the HIGHER the velocity is, the faster the bullet expands and therefore the more risk of fragmentation. A slow heavy bullet will penetrate FURTHER because it is expanding slower.</p><p>In my example of the 275gr 338 out penetrating a 300gr 375 pill, is conclusive because the velocity was very similar, 2768fps for the 275gr and 2804fps for the 300gr. Both shot at bullet boxes 110yrds(100mtrs) away. Penetration was as follows, the 275gr bullet penetrated 18 1/2" while the 300gr penetrated 14 1/4".</p><p>My bullet boxes are 18" square by 60" long. They have steel rods in the top that are at different spacing apart, and then have wet newspaper at different levels of moisture, softened hide/fur at the front and another box in the middle or front for bones/gel depending on test. This box can be placed in any position in the box as all I have to do is slide the racks forward or aft of where I place the box. </p><p>I actually copied Jack Lott's bullet box construction I read in a shooting rag from the early 80's, no photos accompanied the article so I had to work off a description only.</p><p>Anyway, the Hot Cor and the Woodleigh only differ in jacket material and nose profile. As I also tested the Sierra GK in 300gr and it also penetrated less than the 275gr Speer.</p><p>Interesting fact, bullets in the same weight often penetrate to vastly different depths, and some do not go straight, EVER.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1540896, member: 10755"] One simple fact is that the HIGHER the velocity is, the faster the bullet expands and therefore the more risk of fragmentation. A slow heavy bullet will penetrate FURTHER because it is expanding slower. In my example of the 275gr 338 out penetrating a 300gr 375 pill, is conclusive because the velocity was very similar, 2768fps for the 275gr and 2804fps for the 300gr. Both shot at bullet boxes 110yrds(100mtrs) away. Penetration was as follows, the 275gr bullet penetrated 18 1/2” while the 300gr penetrated 14 1/4”. My bullet boxes are 18” square by 60” long. They have steel rods in the top that are at different spacing apart, and then have wet newspaper at different levels of moisture, softened hide/fur at the front and another box in the middle or front for bones/gel depending on test. This box can be placed in any position in the box as all I have to do is slide the racks forward or aft of where I place the box. I actually copied Jack Lott’s bullet box construction I read in a shooting rag from the early 80’s, no photos accompanied the article so I had to work off a description only. Anyway, the Hot Cor and the Woodleigh only differ in jacket material and nose profile. As I also tested the Sierra GK in 300gr and it also penetrated less than the 275gr Speer. Interesting fact, bullets in the same weight often penetrate to vastly different depths, and some do not go straight, EVER. Cheers. [/QUOTE]
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Larger diameter bullets allow more room for error?
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