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Hunting
Extreme Long Range Hunting & Shooting (ELR)
Minimum Velocity needed for hunting games at extreme distances
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<blockquote data-quote="RockyMtnMT" data-source="post: 1329784" data-attributes="member: 7999"><p>This is a hard subject. It is the only place that I use my opinion for data on our bullets. We advertise a minimum impact vel of 1800fps even though all of our bullets deform properly at lower vel than that. After much testing I believe that 1800fps is the lowest vel that still causes significant tissue damage for clean kills. This is, in my opinion, for any bullet. It takes speed for bullets to cause damage by tearing tissue. Torn tissue does not bleed as well as cut tissue.</p><p></p><p>Enough of my opinion. You may get your best answer by low vel impact testing your bullets. If you use reduced loads to test with run the ballistics in a twist calculator to make sure that your stability factor is high enough. In our testing we have found that bullets that have a stability factor below 1.5sg do not deform as well. This will be a good thing to consider as you extend your hunting range. Bullets that are less than 1.5sg will tend to yaw on impact and not deform. Often they will not track true or tumble. You hear stories about both of your selected bullets not opening and I am pretty sure it is not a failure of the bullet but a failure to have a high enough stability factor to initiate expansion.</p><p></p><p>Good luck and good hunting.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1329784, member: 7999"] This is a hard subject. It is the only place that I use my opinion for data on our bullets. We advertise a minimum impact vel of 1800fps even though all of our bullets deform properly at lower vel than that. After much testing I believe that 1800fps is the lowest vel that still causes significant tissue damage for clean kills. This is, in my opinion, for any bullet. It takes speed for bullets to cause damage by tearing tissue. Torn tissue does not bleed as well as cut tissue. Enough of my opinion. You may get your best answer by low vel impact testing your bullets. If you use reduced loads to test with run the ballistics in a twist calculator to make sure that your stability factor is high enough. In our testing we have found that bullets that have a stability factor below 1.5sg do not deform as well. This will be a good thing to consider as you extend your hunting range. Bullets that are less than 1.5sg will tend to yaw on impact and not deform. Often they will not track true or tumble. You hear stories about both of your selected bullets not opening and I am pretty sure it is not a failure of the bullet but a failure to have a high enough stability factor to initiate expansion. Good luck and good hunting. Steve [/QUOTE]
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Hunting
Extreme Long Range Hunting & Shooting (ELR)
Minimum Velocity needed for hunting games at extreme distances
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