User Panel
User Panel
User Panel
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Posted: 12/15/2013 10:35:55 AM EDT
[#1]
As long as the primer pockets are good and tight, it's g2g. Subs have a good bit lower pressure than a standard 223 round, so you can get good brass life if you anneal before forming. Supers have higher pressures, but still lower than 5.56 IIRC. All my federal brass gets turned into 300 blk, as do cases with split necks and/or screw-ups I make on the press when doing 223.
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Posted: 12/15/2013 10:39:23 AM EDT
[#2]
Just note that some brands have too thick case walls and necks can be too large with a seated bullet. Necks with a seated bullet should be .334" or less. Here's a list of cases to watch out for:http://www.300blktalk.com/forum/viewtopic.php?f=141&t=82732
It is easy to inspect the 300 BLK cases as you can easily see the inside and inspect for stretching and possible problems. |
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Posted: 12/15/2013 12:00:45 PM EDT
[#3]
As previously stated check the primer pockets.
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