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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why would OACL Change?
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<blockquote data-quote="Long Hunter" data-source="post: 1020389" data-attributes="member: 71587"><p><span style="font-size: 10px"><span style="color: black">I am shooting a 30-06 with 200gn Sierra Matchking's at an oacl of 3.290in which is .010in off the lands. Started to experience problems with rounds chambering and I found that in order to get the rounds to chamber properly in needed to change my oacl to 3.260in and to keep the round .010 off the lands my new ocal is 3.250in. <u>What is the reason for needing a shorter ocal for my rounds to chamber?</u> My chamber is clean, all resized brass is trimmed to 2.484in and fits in chamber with no problem, but when I load my brass to 3.290in with matchking's it don't chamber till I shorten my oacl to 3.250 then it chambers fine. I have about 800 rounds through the gun with these rounds loaded to 3.290in but I just started loading a new batch of bullets for me so could this be due to the bullets being slightly longer or larger in diameter?</span></span></p></blockquote><p></p>
[QUOTE="Long Hunter, post: 1020389, member: 71587"] [SIZE=2][COLOR=black]I am shooting a 30-06 with 200gn Sierra Matchking's at an oacl of 3.290in which is .010in off the lands. Started to experience problems with rounds chambering and I found that in order to get the rounds to chamber properly in needed to change my oacl to 3.260in and to keep the round .010 off the lands my new ocal is 3.250in. [U]What is the reason for needing a shorter ocal for my rounds to chamber?[/U] My chamber is clean, all resized brass is trimmed to 2.484in and fits in chamber with no problem, but when I load my brass to 3.290in with matchking's it don't chamber till I shorten my oacl to 3.250 then it chambers fine. I have about 800 rounds through the gun with these rounds loaded to 3.290in but I just started loading a new batch of bullets for me so could this be due to the bullets being slightly longer or larger in diameter?[/COLOR][/SIZE] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why would OACL Change?
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