Canman Posted February 13, 2013 Share Posted February 13, 2013 Working on some loads for my Kimber Solo with some 147gn FMJ's. You can see where the bullet stops in the brass kinda like a small bulge. I ran a few through my Solo and XDM with no issues. Am I doing something wrong or is this normal? Link to comment Share on other sites More sharing options...
Poppa Bear Posted February 13, 2013 Share Posted February 13, 2013 That is normal. The 9mm case is tapered so the smallest part is at the mouth. Link to comment Share on other sites More sharing options...
DWFAN Posted February 13, 2013 Share Posted February 13, 2013 Normal. It's often referred to as the Coke Bottle effect. Link to comment Share on other sites More sharing options...
Desmo412 Posted February 13, 2013 Share Posted February 13, 2013 If you could see some of my loads with a U-Die and Bayou 160s, you wouldn't be worried about that faint bulge you are getting. If they chamber and don't show excessive pressure signs, they're fine Link to comment Share on other sites More sharing options...
Bobwat Posted February 14, 2013 Share Posted February 14, 2013 I had the same problem when first loading Zero 147gr bullets. I didn't have this problem with the Berry 147's that I typically load. I had to run some through a Lee Factory Crimp die to get them to successfully pass the case guage. CBC brass was the worst for this bulge, as it appears to be a little thicker. See the thread below for pictures and more info: http://www.brianenos.com/forums/index.php?showtopic=160590&hl=+bobwat#entry1793022 Link to comment Share on other sites More sharing options...
rback Posted February 14, 2013 Share Posted February 14, 2013 Normal Link to comment Share on other sites More sharing options...
kevin c Posted February 14, 2013 Share Posted February 14, 2013 (edited) Maybe normal. My experience is more like Bobwat's. While some "coke bottle" or "wasp waist" effect is typical of a reloaded 9x19 round, you might actually get too much, adversely affecting feeding, and it seems to depend on the bullet, brass, and OAL. Since the longer bullet seats deeper in the case, even though the 9x19 case is tapered (wider towards the case head), the brass thickens towards the base. If you have a short OAL with a type of brass that is very thick walled, you may actually get a bulge that can choke the gun. I don't load CBC brass with my 147's for that specific reason. A lighter, shorter bullet, different brass brand, or a longer OAL with the 147 might be OK, though. Check your rounds with a tight gauge or the bbl of your gun with enough rounds that you're sure you won't have an issue. If you do find the occasional round sticking in the chamber, see if it happens with a specific brand of brass. Have fun reloading ammo and shooting, but be safe. Edited February 14, 2013 by kevin c Link to comment Share on other sites More sharing options...
Canman Posted February 16, 2013 Author Share Posted February 16, 2013 Thanks for the replys. Both my 9's seem to like the load. No problems so far. Link to comment Share on other sites More sharing options...
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