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Long Range Hunting & Shooting
Calculating range adjustment for ranges you have not shot?
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<blockquote data-quote="DavidleeCole" data-source="post: 1921938" data-attributes="member: 85306"><p>Run a box drill with your rifle at 100 yards measured to the exact. Track your scope and then measure the exact point of impact of each dialed group. Next use exact MOA to inches or Mil to inches which ever your scope is and convert exactly how much the rectical moved point of aim to how much point of impact moved and find the difference. Next divide that distance by number of dialed distance in clicks. you may find a small inaccuracy in the scope which you may not realize at close distance but will become larger the further you shoot. This will give you a tracking value you can use at longer ranges to be more on target due to scope reticle tracking inconsistency. This will remove that from the equation. After that I would look at my muzzle velocity BUT CONSIDER THE EQUIPMENT FIRST. My scope has around .01mill per 10 mils. So that puts my point of aim and impact slightly off at longer ranges. No problem cause you use the value to figure in with your dope and your back on target. FIND OUT WHAT RANGE THIS WILL EFFECT YOU THE MOST AND THEN WORRY ABOUT CORRECTIONS. IE at 600 yards I am 3 inches off,[ATTACH=full]198451[/ATTACH] Deer or Elk no problem just shoot. Prairie Dog or a match figure the correction and stay on target. Bryan Litz, Applied Ballistics books are wonderful information and good reads. BE SCIENTIFICALLY MINDFUL AND FIND THE REASON FOR WHAT IS HAPPENING. Hope this was helpful.</p></blockquote><p></p>
[QUOTE="DavidleeCole, post: 1921938, member: 85306"] Run a box drill with your rifle at 100 yards measured to the exact. Track your scope and then measure the exact point of impact of each dialed group. Next use exact MOA to inches or Mil to inches which ever your scope is and convert exactly how much the rectical moved point of aim to how much point of impact moved and find the difference. Next divide that distance by number of dialed distance in clicks. you may find a small inaccuracy in the scope which you may not realize at close distance but will become larger the further you shoot. This will give you a tracking value you can use at longer ranges to be more on target due to scope reticle tracking inconsistency. This will remove that from the equation. After that I would look at my muzzle velocity BUT CONSIDER THE EQUIPMENT FIRST. My scope has around .01mill per 10 mils. So that puts my point of aim and impact slightly off at longer ranges. No problem cause you use the value to figure in with your dope and your back on target. FIND OUT WHAT RANGE THIS WILL EFFECT YOU THE MOST AND THEN WORRY ABOUT CORRECTIONS. IE at 600 yards I am 3 inches off,[ATTACH type="full"]198451[/ATTACH] Deer or Elk no problem just shoot. Prairie Dog or a match figure the correction and stay on target. Bryan Litz, Applied Ballistics books are wonderful information and good reads. BE SCIENTIFICALLY MINDFUL AND FIND THE REASON FOR WHAT IS HAPPENING. Hope this was helpful. [/QUOTE]
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Calculating range adjustment for ranges you have not shot?
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