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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tuning for long range
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<blockquote data-quote="Joe-boy" data-source="post: 1875011" data-attributes="member: 113266"><p>I've been approaching the same issue using similar methods, except that</p><p>1)I use a target that has several smaller targets attached to it and shoot each charge to a different target. It's easy to compare where they hit when each of the targets has its own bullet hole, and there's no question which one was which. I see this doesn't work on a long range, because you would end up having several huge targets <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p>2)I've shot at 100 meters, which is closest to my average hunting distance, the 100 meters shooting range is easy to access, and also because at shorter range the wind does not screw up the test that easily. I think I'll do my next try on 150, 200 or 300 meters, if I can access a longer range.</p><p>3)I usually prepare 2-3 loads for each charge; partly because that shows how the grouping looks and if I screw up one shot, I have spare ones. Although I must admit that if I have let's say 11 different charges and 2 of each, it takes time and concentration to shoot them without heating the barrel too much or losing concentration.</p><p></p><p>About the distance; according to my limited understanding, performing a test at long range requires excellent conditions. A very light wind can throw the bullet 2-3 inches at 300 meters, which is a lot when you're trying to compare between different loads and when the distance gets longer, the mechanical accuracy grows proportionally and the effect of wind grows exponentially. Although I think someone said somewhere that this test mainly tries to find the optimal node in vertical spread, and the horizontal is taken care of modifying the seating depth.</p><p></p><p>Anyways, very much appreciated and keep the good stuff coming.</p></blockquote><p></p>
[QUOTE="Joe-boy, post: 1875011, member: 113266"] I've been approaching the same issue using similar methods, except that 1)I use a target that has several smaller targets attached to it and shoot each charge to a different target. It's easy to compare where they hit when each of the targets has its own bullet hole, and there's no question which one was which. I see this doesn't work on a long range, because you would end up having several huge targets :D 2)I've shot at 100 meters, which is closest to my average hunting distance, the 100 meters shooting range is easy to access, and also because at shorter range the wind does not screw up the test that easily. I think I'll do my next try on 150, 200 or 300 meters, if I can access a longer range. 3)I usually prepare 2-3 loads for each charge; partly because that shows how the grouping looks and if I screw up one shot, I have spare ones. Although I must admit that if I have let's say 11 different charges and 2 of each, it takes time and concentration to shoot them without heating the barrel too much or losing concentration. About the distance; according to my limited understanding, performing a test at long range requires excellent conditions. A very light wind can throw the bullet 2-3 inches at 300 meters, which is a lot when you're trying to compare between different loads and when the distance gets longer, the mechanical accuracy grows proportionally and the effect of wind grows exponentially. Although I think someone said somewhere that this test mainly tries to find the optimal node in vertical spread, and the horizontal is taken care of modifying the seating depth. Anyways, very much appreciated and keep the good stuff coming. [/QUOTE]
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Tuning for long range
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