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Rifles, Reloading, Optics, Equipment
Reloading
Measuring Case Length with Comparator
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<blockquote data-quote="Jzeman56" data-source="post: 1483795" data-attributes="member: 105005"><p>I have approx 120 rounds of 300 win mag that I want to reload (I'm new to reloading). I was looking at what I documented last night and from the shoulder measured with a comparator, all cases average 2.2715 (.270 is shortest; .273 is longest). If I just measure the OAL case length without the comparator, I get 2.0403 as an average. Wouldn't the length from shoulder with a comparator be a shorter reading? This is all once fired brass. Case Max Length is 2.262 by SAMMI specs. If I put the cases into my lyman E-ZEE case length gauge, they all fit? </p><p></p><p>Average for 20 cases:</p><p>Shoulder length with comparator = 2.2715</p><p>OAL case length = 2.0403</p><p>Shoulder Diameter = .4914</p><p>Web Diameter = .5134</p><p>Neck Outside Diameter = .3419</p><p>Case Neck Thickness = .013</p><p></p><p>Am I doing something incorrectly? [ATTACH=full]105864[/ATTACH]</p></blockquote><p></p>
[QUOTE="Jzeman56, post: 1483795, member: 105005"] I have approx 120 rounds of 300 win mag that I want to reload (I'm new to reloading). I was looking at what I documented last night and from the shoulder measured with a comparator, all cases average 2.2715 (.270 is shortest; .273 is longest). If I just measure the OAL case length without the comparator, I get 2.0403 as an average. Wouldn't the length from shoulder with a comparator be a shorter reading? This is all once fired brass. Case Max Length is 2.262 by SAMMI specs. If I put the cases into my lyman E-ZEE case length gauge, they all fit? Average for 20 cases: Shoulder length with comparator = 2.2715 OAL case length = 2.0403 Shoulder Diameter = .4914 Web Diameter = .5134 Neck Outside Diameter = .3419 Case Neck Thickness = .013 Am I doing something incorrectly? [ATTACH=full]105864[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Measuring Case Length with Comparator
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