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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
anyone notice difference in poi in relation to cleaning
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<blockquote data-quote="MagnumManiac" data-source="post: 1188123" data-attributes="member: 10755"><p>In my opinion, people clean too often. The barrel will tell you when it's not liking being fouled.</p><p>I can't see a single problem with your groups. Have you tuned your loads by altering bullet jump in .005" increments? This is a good starting point.</p><p>Another way to get very consistent results, is to use a method of pouring the powder into the case, if compressed when the bullet is seated, which is to use a powder funnel, pour the powder so that it swirls like a tornado around the axis, this allows the powder to settle even better than a long drop tube. In my comp 300WM, this changed ES and SD dramatically and tightened groups with nomother change to the load. I have shot .25 MoA @ 1000yrds with that load regularly, although it's lifetime aggregate is 3/8 MoA.</p><p>This method has held vertical very consistently for me, even over the chrony, a .3gr variance (+/-1.5gr) showed very little velocity difference. If I dump charges straight from the measure, vertical goes out the window, even though groups at 300 are still good.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1188123, member: 10755"] In my opinion, people clean too often. The barrel will tell you when it's not liking being fouled. I can't see a single problem with your groups. Have you tuned your loads by altering bullet jump in .005" increments? This is a good starting point. Another way to get very consistent results, is to use a method of pouring the powder into the case, if compressed when the bullet is seated, which is to use a powder funnel, pour the powder so that it swirls like a tornado around the axis, this allows the powder to settle even better than a long drop tube. In my comp 300WM, this changed ES and SD dramatically and tightened groups with nomother change to the load. I have shot .25 MoA @ 1000yrds with that load regularly, although it's lifetime aggregate is 3/8 MoA. This method has held vertical very consistently for me, even over the chrony, a .3gr variance (+/-1.5gr) showed very little velocity difference. If I dump charges straight from the measure, vertical goes out the window, even though groups at 300 are still good. Cheers. gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
anyone notice difference in poi in relation to cleaning
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