OE139 Posted June 10, 2010 Report Share Posted June 10, 2010 Over the weekend, I shot a bunch of Wisconsin Cartridge ammo loaded with 150 gr. bullets. I had, "blown out" primers on four out of eighty rounds. Has anyone else had this problem? I didn't notice any other pressure signs on the cases. Quote Link to comment Share on other sites More sharing options...
SWshooter Posted June 11, 2010 Report Share Posted June 11, 2010 I had the same problem. It turned out to be bullets getting pushed back into the case when chambered from the mag. I put all my uncrimped ammo through a Lee factory sizer snd that cured the problem. Thats why I recommend crimping all 308 ammo used in semi auto battle rifles. Quote Link to comment Share on other sites More sharing options...
OE139 Posted June 15, 2010 Author Report Share Posted June 15, 2010 That makes a lot of sense. A couple of times I had double feeds and noticed that the bullet in the first cartridge out of the mag was hammered pretty good. Thanks. Quote Link to comment Share on other sites More sharing options...
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