I've got some new bullets coming and I'm going to run them with mixed headstanp and see how they do, then I'll sort some and see if there is any difference. I just always wait until the match is over for the reasons you state above. I think I would get a little irratated if I was ghosting a stage and someone was picking up brass. I didn't even know there were people that picked up brass DURING the match. I try to focus on the stage, my shooting and the results instead of chasing brass.ĭo my range pick up before or after the match when there is plenty of time and, usually, plenty of brand new 9mm brass on the ground. I had to experiment with that because I don't pick up my 9 major brass. I start seeing loose primer pockets around the 4th reload. S scot Registered Joined 24 Posts 11 R P Headstamp is on Remington-UMC. brass some years ago that had crimped primers. Currently working up loads for 9 major with WSF - Silhouette - HS-6 - True Blue and have had no brass problems at all. You will occasionally find crimped pistol brass, especially 9mm from European manufacturers, given that round's use in submachine guns, but I tied into a batch of IMI. I do prefer staying with same brand brass for premium loads and Win brass seems to have the perfect wall thickness for my bullets. You'll get a ton of opinions on this question. However I've loaded pickup brass in just about all brands with no major issues. I wonder if your brass started like the typical soft RP, and because of the alloy, sprung back to the larger diameter. Probably the alloy, and perhaps the annealing. I understand on regular loads for production, i can reuse my brass over and over. In my experience, RP brass tends to be thick, soft, and short lived. How about on open division 9 major using 124 grain bullet and winchester autocomp, i believe its about 7.3 grain of powder.
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