Headstamp question

Heretic

Active member
I picked up 4K rds of 1x fired 5.56 brass. Different head stamps.

Question: Are the dimensions and tolerances the same from one year to another of Lake City brass? The stamps are "LC 69" with no NATO logo to LC 14 with NATO logo and almost every year in between. I'm really only concerned with the latest decade or so - trying to develop a different load. In other words, can I mix head stamps of say, LC 11 with NATO logo and LC 14 with NATO logo and expect reliable data?

Please let me know if the question needs to be clarified.

Thanks in advance!
 
From what I have read you can, but you may want to consider that cartridge weight from within the same lot can vary also, so the same head stamped cartridge regardless of year, may or may not tip the scale the same. Myself, I would size, trim and then weigh them and segregate them based on weight.



Here Kitty Kitty
 
I think the guys above answered your question, just wanted to add that there are cartridge collectors who are paying up to $3 each for old 5.56 brass. The 69 stuff you have may be worth advertising as "collectible"
 
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