Thanks guys for the comments. The 223 brass is reloadable and most is lake city brass. I will be in Asheville this upcoming weekend and may be in Greenville sun night. I have to go to Atlanta to pick up some brass if it is ready.
The ammonia you may be smelling should be the sulfur in the powder. If it is overbearing, it may be coming from the cheap Russian crap.
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. Mostly found in steel cased ammo.
Whether you shoot mine or another manufacturers, try to shoot brass in the ARs.
Good luck and let me know if I can be of assistance.