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Posted: 5/7/2018 1:23:34 PM EDT
I seem to remember a thread about some issues with a particular year of Lake City 50 BMG brass. I have tried to search the site and the archives and I can't locate it. I found some LC10 for a good price but for some reason I think that is the year with the issues.
Anyone remember this? Thanks.. Edit....thought I would try here with the masters of the 50 before I go to the reloading forum. 
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Posted: 5/7/2018 2:40:53 PM EDT
[#1]
The most recent thread here titled "Ok guys, teach me about the Armalite AR-50 .50bmg. Im getting one... GOT IT ! (Page 1 of 2)" refers to LC12 specifically, with a general 80's-00's statement. I'd like to know more myself.
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Posted: 5/7/2018 3:39:26 PM EDT
[#2]
There have been many years of bad LC brass, most notably 80's all the way up to some current years.
I wouldn't use any 80's LC brass, 90's stuff I never heard anything bad about and then back into the early 2000's it went back to bad. The most recent being '12 brass that is having issues. Haven't heard much on anything more recent then that. If it's been run through an M2, the chances that it's been stretched beyond usefulness are good. Most M2's are set up loose so that they run all the time without issue. If you do decide to buy some, ask what kind of warranty they have. |
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Posted: 5/7/2018 11:02:54 PM EDT
[#3]
Learn to properly ANNEAL your 50BMG brass = this will solve many of your problems caused by brittle brass.
Clean casings first, Then ANNEAL neck and 1/2" of shoulder, Resize with lanolin/alcohol mix for case lube, Wipe off, Load. |
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Posted: 5/7/2018 11:55:39 PM EDT
[#4]
Thanks for the help. I guess it was in the "I got a new AR-50" thread where I read that. My search fu was weak.
I've been reloading for my AR-50 for over 10 years, used a lot of LC, some Santa Barbara, Barrett, and Hornady brass mostly. Never had an issue with LC. Getting those staked primer crimps out of the SB was a lot of work. 
Found some LC 10 and just wanted to make sure I wasn't throwing my money away. I'll ask about warranty. Thanks again..... |
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Posted: 5/8/2018 12:57:42 AM EDT
[#5]
Alot of the recent LC and some WCC I've seen has occlusions that appear to have been created in the necks and shoulders during the case drawing/forming process. It doesn't affect reuse that much if you're reloading 50bmg, but if reforming to 50DTC, they tend to split. Much of the LC75 brass will split along the case wall during fire-forming to DTC too.
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Posted: 5/8/2018 7:21:53 PM EDT
[#6]
LC12! It is so thick/stiff that you will absolutely hate working with it. It is cheaper than other years but that's for good reason. If you don't mind bending or breaking your press handle, then, by all means, get some LC12. I bent a press handle and got a solid one to replace it. Then instead of the handle bending, my bench broke away where the press was mounted. That stuff is just bad news. Mine just sits in a corner because it's too expensive to scrap.
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