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Rule of Thumb for Shooting Down Hill
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<blockquote data-quote="greenejc" data-source="post: 2337334" data-attributes="member: 60453"><p>Do you live in Colorado? If you do, the best way to find out where to aim and where you will hit is to go and shoot at some targets or rocks with a spotter at distances that you've lazed in and see where that load actually patterns (3 or 4 shots) on the target at 300, 400, 500 and 600 yards, remembering that your distances won't be exactly on the '00' mark for the target, and then recording angle and actual real-world hold over for where you are hunting. Record it in a journal, make a table and then put it on the stock, with 10 degree variations for each distance up to around 30 degrees. Hold center-mass for your target, and don't second guess yourself. Center-mass gives you more error margin at distance, and everyone needs that under real world conditions at ranges beyond 400 yards. B.C.'s, bullet drop calculations, and all the other mathematics used to determine trajectory are approximations and are for the average velocity of your round rather than where your cone of fire will hit. You should shoot at least three shots and see how wide your pattern is. In my case, the 35 patterns three shots into about 5" left and right, which was me, and about 3.5" vertical impact, which is variation in velocity between shots at 610 yards, shooting from sticks while sitting. The use of generated tables will get you in the ball park and help a lot, which shouldn't replace going out and shooting under the conditions in which you will hunt whenever possible. Also, because of the altitude at Green Mountain, which is around 7,500ft, the real world B.C. of the Sierra bullet was actually closer to 0.5 than 0.38, which is the published at-sea-level B.C. of this Gameking as listed by Sierra. That has to be kept in mind, as shots with high B.C. bullets will be noticeably higher at distance in higher altitude.</p></blockquote><p></p>
[QUOTE="greenejc, post: 2337334, member: 60453"] Do you live in Colorado? If you do, the best way to find out where to aim and where you will hit is to go and shoot at some targets or rocks with a spotter at distances that you've lazed in and see where that load actually patterns (3 or 4 shots) on the target at 300, 400, 500 and 600 yards, remembering that your distances won't be exactly on the '00' mark for the target, and then recording angle and actual real-world hold over for where you are hunting. Record it in a journal, make a table and then put it on the stock, with 10 degree variations for each distance up to around 30 degrees. Hold center-mass for your target, and don't second guess yourself. Center-mass gives you more error margin at distance, and everyone needs that under real world conditions at ranges beyond 400 yards. B.C.'s, bullet drop calculations, and all the other mathematics used to determine trajectory are approximations and are for the average velocity of your round rather than where your cone of fire will hit. You should shoot at least three shots and see how wide your pattern is. In my case, the 35 patterns three shots into about 5" left and right, which was me, and about 3.5" vertical impact, which is variation in velocity between shots at 610 yards, shooting from sticks while sitting. The use of generated tables will get you in the ball park and help a lot, which shouldn't replace going out and shooting under the conditions in which you will hunt whenever possible. Also, because of the altitude at Green Mountain, which is around 7,500ft, the real world B.C. of the Sierra bullet was actually closer to 0.5 than 0.38, which is the published at-sea-level B.C. of this Gameking as listed by Sierra. That has to be kept in mind, as shots with high B.C. bullets will be noticeably higher at distance in higher altitude. [/QUOTE]
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