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<blockquote data-quote="diggler1833" data-source="post: 3744340" data-attributes="member: 48072">With a lot of match bullets even you will see .005 variation in overall length out of just one box.&nbsp; Sometimes it can be far worse.&nbsp; I had some 69gr SMKs give me fits once because I was simply measuring COL as they were coming off the press.&nbsp; Turns out there was .015 difference between some of the bullets when I started to check them.&nbsp; Typically I&#039;ve found Berger to be about the best, and the Hornady and Nosler stuff to have that .005 variation. If you start to measure the CBTO (Cartridge Base To Ogive) I bet your readings will be a lot more consistent.&nbsp; If using OTM bullets, you can also get a meplat uniunrming tool.surprisingly, the difference in bullet OAL has little effect on accuracy to a couple hundred yards.&nbsp; Those 69gr SMKs will still shoot SUB-MOA to 400 yards.&nbsp; However I wouldn&#039;t want to try to compete with something that far off in F-class.</blockquote>

[QUOTE="diggler1833, post: 3744340, member: 48072"] With a lot of match bullets even you will see .005 variation in overall length out of just one box. Sometimes it can be far worse. I had some 69gr SMKs give me fits once because I was simply measuring COL as they were coming off the press. Turns out there was .015 difference between some of the bullets when I started to check them. Typically I've found Berger to be about the best, and the Hornady and Nosler stuff to have that .005 variation. If you start to measure the CBTO (Cartridge Base To Ogive) I bet your readings will be a lot more consistent. If using OTM bullets, you can also get a meplat uniunrming tool. surprisingly, the difference in bullet OAL has little effect on accuracy to a couple hundred yards. Those 69gr SMKs will still shoot SUB-MOA to 400 yards. However I wouldn't want to try to compete with something that far off in F-class. [/QUOTE]

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