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223 brass


usmc1974

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223 Rem + 223 AI Cartridge Guide

http://www.accurateshooter.com/cartridge-guides/223rem/

 

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The problem with the Federal cases is a thin flash hole web and oversize primer pockets after very few reloads.

I would stay with Lake City cases, they are made of harder brass and have the thicker flash hole web that adds strength to the base and primer pocket.

 

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.223/5.56 - Cleaned, Deprimed & Swaged - LC Only - 200 Pieces $22.00 free shipping

https://brassbombers.com/223-556-Cleaned-Deprimed-Swaged-LC-Only-200-Pieces-5LC-SSP20.htm

Edited by bigedp51
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I've also noticed that Federal cases, ESPECIALLY the ones with the balls as you've pictured, are trimmed shorter than the typical 1.750" from the factory.  When I was trimming a load of mixed cases, those were the only ones my trimmer would regularly not touch.  For that reason (i.e. inconsistent neck tension) I tend to avoid them as well.

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