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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Measuring to the lands
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<blockquote data-quote="ohiohunter" data-source="post: 1082223" data-attributes="member: 55230"><p>So I have a sinclair measuring tool to measure my chamber length. From the rear of the action you put a bullet in the chamber and measure then measure the length to the base of a case. Take this measurement and add the bullet length and it should tell you the OAL. </p><p></p><p>Now what I did was all the same measurements, but instead of the entire bullet length I measured from the base to the ogive of the bullet. I did get consistent measurements, but it was not repeatable w/ different bullets. Why? </p><p></p><p>I am under the impression that using the comparator will give me my base to ogive measurement regardless of the bullet used b/c it is measuring the same point on the ogive as the next. I understand bullet length will effect this, but shouldn't that be factored out when measuring off the ogive vs overall length of the bullet? I expect some variation b/c some bullets sneak into the lands more than others, but I have about a 0.040" range.</p></blockquote><p></p>
[QUOTE="ohiohunter, post: 1082223, member: 55230"] So I have a sinclair measuring tool to measure my chamber length. From the rear of the action you put a bullet in the chamber and measure then measure the length to the base of a case. Take this measurement and add the bullet length and it should tell you the OAL. Now what I did was all the same measurements, but instead of the entire bullet length I measured from the base to the ogive of the bullet. I did get consistent measurements, but it was not repeatable w/ different bullets. Why? I am under the impression that using the comparator will give me my base to ogive measurement regardless of the bullet used b/c it is measuring the same point on the ogive as the next. I understand bullet length will effect this, but shouldn't that be factored out when measuring off the ogive vs overall length of the bullet? I expect some variation b/c some bullets sneak into the lands more than others, but I have about a 0.040" range. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Measuring to the lands
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