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<blockquote data-quote="Wachsmann" data-source="post: 1018164" data-attributes="member: 10429"><p>"Load 24 rounds at the following COAL if you are a hunter (pulling a bullet out of the case with your rifling while in the field can be a hunt ending event which must be avoided) or a competition shooter who worries about pulling a bullet during a match:</p><p> 1. .010 off the lands (jump) 6 rounds</p><p> 2. .050 off the lands (jump) 6 rounds</p><p> 3. .090 off the lands (jump) 6 rounds</p><p> 4. .130 off the lands (jump) 6 rounds"</p><p></p><p> Shoot 2 (separate) 3 shot groups in fair conditions to see how they group. The remarkable reality of this test is that one of these 4 COALs will outperform the other three by a considerable margin. Once you know which one of these 4 COAL shoots best then you can tweak the COAL +/- .002 or .005. Taking the time to set this test up will pay off when you find that your rifle is capable of shooting the VLD bullets very well (even at 100 yards). </p><p>....</p><p>I done this but only loaded 4 rounds per group. Also I had 2 rounds to foul the barrel from a clean barrel. I then used a bore snake and ran through the barrel twice between each group to try and make some consistence conditions. I stuck to 91 grains of retumbo. I found 91 grains shot very good for consistence testing. This was done all with the same bullet (210VLD). When doing so the 90 off the lands tighthen up to .75 moa. From this point I went to .095, .085, .075, .070. All were loads of 3. Same method 2 shot from a completely clean bore to foul. Then ran the bore snake through twice. I tried to wait about 3 minutes between shots. The .075 tighten up to about .5 moa. At this point I was happy. I then increased to 92 grains of powder and had the same result with a jump in speed. I went to 93 and then to 94 grains both 93 and 94 opend up and 94 starting showing pressure on my brass. I stopped at the 92 grains and 0.75 off the lans....But when thing got scares (supplies bullets, powder, primers) I went to the 230 bergers. I used someone elses data but at my seating deapth. The gun produced .5moa or better at 200 yards. It was very nice to not to have to tune the 230s all over again. But I was thinking I would have to. I did have to do some bench tuning to get the 230s to .075 off the lan but it paid off before I went out to shot. I am currently going to try RL33 at the same seating depth. Hopefully it will give me similar results or better velocity. Hope this helps.</p></blockquote><p></p>
[QUOTE="Wachsmann, post: 1018164, member: 10429"] "Load 24 rounds at the following COAL if you are a hunter (pulling a bullet out of the case with your rifling while in the field can be a hunt ending event which must be avoided) or a competition shooter who worries about pulling a bullet during a match: 1. .010 off the lands (jump) 6 rounds 2. .050 off the lands (jump) 6 rounds 3. .090 off the lands (jump) 6 rounds 4. .130 off the lands (jump) 6 rounds" Shoot 2 (separate) 3 shot groups in fair conditions to see how they group. The remarkable reality of this test is that one of these 4 COALs will outperform the other three by a considerable margin. Once you know which one of these 4 COAL shoots best then you can tweak the COAL +/- .002 or .005. Taking the time to set this test up will pay off when you find that your rifle is capable of shooting the VLD bullets very well (even at 100 yards). .... I done this but only loaded 4 rounds per group. Also I had 2 rounds to foul the barrel from a clean barrel. I then used a bore snake and ran through the barrel twice between each group to try and make some consistence conditions. I stuck to 91 grains of retumbo. I found 91 grains shot very good for consistence testing. This was done all with the same bullet (210VLD). When doing so the 90 off the lands tighthen up to .75 moa. From this point I went to .095, .085, .075, .070. All were loads of 3. Same method 2 shot from a completely clean bore to foul. Then ran the bore snake through twice. I tried to wait about 3 minutes between shots. The .075 tighten up to about .5 moa. At this point I was happy. I then increased to 92 grains of powder and had the same result with a jump in speed. I went to 93 and then to 94 grains both 93 and 94 opend up and 94 starting showing pressure on my brass. I stopped at the 92 grains and 0.75 off the lans....But when thing got scares (supplies bullets, powder, primers) I went to the 230 bergers. I used someone elses data but at my seating deapth. The gun produced .5moa or better at 200 yards. It was very nice to not to have to tune the 230s all over again. But I was thinking I would have to. I did have to do some bench tuning to get the 230s to .075 off the lan but it paid off before I went out to shot. I am currently going to try RL33 at the same seating depth. Hopefully it will give me similar results or better velocity. Hope this helps. [/QUOTE]
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