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<blockquote data-quote="User4302021" data-source="post: 1691385" data-attributes="member: 105322"><p>For the Audette ladder to work reliably you have to have an extremely accurate rifle and an extremely stable and repeatable shooting position. The shooter as well needs to be as good as the equipment. There are a myriad of way to mess it up. That is why I don't recommend it too often.</p><p></p><p>OCW is more reliable for the vast majority of shooters in my opinion. Although with OCW, the temptation is to look at group size. Some people can't seem to look past that. They just don't get it. The temptation to ignore the method is strong.</p><p></p><p>I have done both many times. My personal process has gotten extremely abbreviated. I no longer care about the absolute best group. Chances are, it won't be that small on another day anyway. I accept a lower level of precision on a particular day for a greater level of consistency over time.</p><p></p><p>I'll work up to the point I see pressure indicators using chronograph, micrometer, looking for ejector marks, the appearance and location of the powder ring on the neck, all taken into consideration to give a comprehensive picture. 2 rounds per charge. 0.2 grains apart.</p><p></p><p>It has been my experience that the most tunable and consistent loads show up somewhere in the area of 98% of max for my combo. (This should also be a mild enough load to keep you out of trouble if you are shooting in the summer time). So, I load 10 rounds each of -0.2gr... 98%... +0.2gr... +0.4gr.</p><p></p><p>I shoot them at 200 yds and see which group strikes the highest on the target. I want the barrel to be on the upswing in it's cycle, rather than the down swing. (google positive compensation). I shoot at 200 yds because that is far enough for any factors that might live inside the noise at 100 to show up and make themselves known, but is still close enough to control or account for environmental conditions. </p><p></p><p>I then begin seating depth trials in .005" increments.</p><p></p><p>Lots of people would disagree with what I just wrote. I'm sure they will show up shortly....</p></blockquote><p></p>
[QUOTE="User4302021, post: 1691385, member: 105322"] For the Audette ladder to work reliably you have to have an extremely accurate rifle and an extremely stable and repeatable shooting position. The shooter as well needs to be as good as the equipment. There are a myriad of way to mess it up. That is why I don't recommend it too often. OCW is more reliable for the vast majority of shooters in my opinion. Although with OCW, the temptation is to look at group size. Some people can't seem to look past that. They just don't get it. The temptation to ignore the method is strong. I have done both many times. My personal process has gotten extremely abbreviated. I no longer care about the absolute best group. Chances are, it won't be that small on another day anyway. I accept a lower level of precision on a particular day for a greater level of consistency over time. I'll work up to the point I see pressure indicators using chronograph, micrometer, looking for ejector marks, the appearance and location of the powder ring on the neck, all taken into consideration to give a comprehensive picture. 2 rounds per charge. 0.2 grains apart. It has been my experience that the most tunable and consistent loads show up somewhere in the area of 98% of max for my combo. (This should also be a mild enough load to keep you out of trouble if you are shooting in the summer time). So, I load 10 rounds each of -0.2gr... 98%... +0.2gr... +0.4gr. I shoot them at 200 yds and see which group strikes the highest on the target. I want the barrel to be on the upswing in it's cycle, rather than the down swing. (google positive compensation). I shoot at 200 yds because that is far enough for any factors that might live inside the noise at 100 to show up and make themselves known, but is still close enough to control or account for environmental conditions. I then begin seating depth trials in .005" increments. Lots of people would disagree with what I just wrote. I'm sure they will show up shortly.... [/QUOTE]
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