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Hunting
Long Range Hunting & Shooting
How far out will this bullet/rifle perform?
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<blockquote data-quote="Warren Jensen" data-source="post: 239" data-attributes="member: 21"><p>Dave,</p><p></p><p>Anytime the velocity gets below 1500 fps. you can consider the bullet to be a one to one and a half caliber hole maker. This means that expansion will be nill if any and the secondary wound channel will be minimal. The bullet will have to cause the damage without the help of wave effect crushing tissue. A central nervous system hit (very difficult at that range), double lung, heart, liver or artery will be necessary for a rapid kill. The heart or liver shot would also be difficult. That leaves the double lung, which means the animal has to be broadside and standing(laying) still.</p><p></p><p>As far as the increasing fall angle, what Dean Michealis calls the effective "Danger Space", becomes critical. Calculating how much horizontal error is allowable at that distance is paramount. At 1500 yds. that 220 MK is dropping 13.2 in for every 10 yds. horizontal it travels. If you consider the the lung target area of a deer to be 15 inches vertical then you cannot be much more that 10 yds. horizontal off( 15/13.2 X 10 = 11.36 to be exact) on your range or you will miss the kill zone. This is just in range determination. This does not consider vertical or horizontal dispersion due to ammo, rifle, or trigger puller.</p></blockquote><p></p>
[QUOTE="Warren Jensen, post: 239, member: 21"] Dave, Anytime the velocity gets below 1500 fps. you can consider the bullet to be a one to one and a half caliber hole maker. This means that expansion will be nill if any and the secondary wound channel will be minimal. The bullet will have to cause the damage without the help of wave effect crushing tissue. A central nervous system hit (very difficult at that range), double lung, heart, liver or artery will be necessary for a rapid kill. The heart or liver shot would also be difficult. That leaves the double lung, which means the animal has to be broadside and standing(laying) still. As far as the increasing fall angle, what Dean Michealis calls the effective "Danger Space", becomes critical. Calculating how much horizontal error is allowable at that distance is paramount. At 1500 yds. that 220 MK is dropping 13.2 in for every 10 yds. horizontal it travels. If you consider the the lung target area of a deer to be 15 inches vertical then you cannot be much more that 10 yds. horizontal off( 15/13.2 X 10 = 11.36 to be exact) on your range or you will miss the kill zone. This is just in range determination. This does not consider vertical or horizontal dispersion due to ammo, rifle, or trigger puller. [/QUOTE]
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How far out will this bullet/rifle perform?
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