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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with ELD Match drops
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<blockquote data-quote="Elk Hunter 338" data-source="post: 1436774" data-attributes="member: 23509"><p>make sure you have an absolute zero to start! i like 100 the best because i can really get a solid perfect zero every time with little movement from bipod and able to really dial it in. I found at 2-300 yard zero's tend to have a little error in them some where ha ha ha mostly human! Drops are drops and Chrono's get you a standard muzzle velocity to start with but they will not get you a true velocity to run in your app out to any distance. This has to be done by getting out there and just shooting at targets to your given range.</p><p>I don't shoot many ELD bullets but from what ive seen the BC will need to be fudged a little bit and once your range increases past a 1000 yards you actually need to adjust your BC because as the velocity drops off the BC value also drops so your once 338 cal 285 match .417G7 bc ((****which i have an extremely hard time believing that this bullet has a greater value than the 300 beger but that's another topic***)) is now dropping fast and not flying as true as it once was, most great apps have a advanced BC mode where you can actually add a change your bc through its flight pattern to make up for this. also make sure you have a kestrel and a compass to tell you exactly whats going on at your location at that given time, you can chase your tail around day to day not knowing what the temp, baro, RH, angle, direction of flight, altitude etc. there is a lot that goes into shooting past a 1000 and to get true drops at these ranges you need a few extra tools to accomplish this time and time again!</p></blockquote><p></p>
[QUOTE="Elk Hunter 338, post: 1436774, member: 23509"] make sure you have an absolute zero to start! i like 100 the best because i can really get a solid perfect zero every time with little movement from bipod and able to really dial it in. I found at 2-300 yard zero's tend to have a little error in them some where ha ha ha mostly human! Drops are drops and Chrono's get you a standard muzzle velocity to start with but they will not get you a true velocity to run in your app out to any distance. This has to be done by getting out there and just shooting at targets to your given range. I don't shoot many ELD bullets but from what ive seen the BC will need to be fudged a little bit and once your range increases past a 1000 yards you actually need to adjust your BC because as the velocity drops off the BC value also drops so your once 338 cal 285 match .417G7 bc ((****which i have an extremely hard time believing that this bullet has a greater value than the 300 beger but that's another topic***)) is now dropping fast and not flying as true as it once was, most great apps have a advanced BC mode where you can actually add a change your bc through its flight pattern to make up for this. also make sure you have a kestrel and a compass to tell you exactly whats going on at your location at that given time, you can chase your tail around day to day not knowing what the temp, baro, RH, angle, direction of flight, altitude etc. there is a lot that goes into shooting past a 1000 and to get true drops at these ranges you need a few extra tools to accomplish this time and time again! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with ELD Match drops
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