Quote:
Originally Posted by apollo99
That NT usually stand for non toxic, usually the primer. The issue with that stuff is the primer not the brass it's self. Once fired and the primer removed, de-crimped and sized, it should be good to go. I think the issues with the non toxic primers is the shelf life is not nearly as long as regular primers.
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That is a myth. The only drawback to primers using DDNP instead of Lead Styphnate as the sensitive component of the primer mix is that the DDNP primers are unreliable at temperatures below about -20 deg. F. I have DDNP-primed ammunition in both .223 and 9mm over 15 years old, and it still works fine. Likewise, I have experienced no difficulties in reloading military 5.56mm brass (from Federal) which was loaded with DDNP primers. I think the flash hole is slightly larger than normal, but that does not affect performance. I managed the USAF's adoption of lead-free training ammunition until I retired in 2008, and there are probably very few as familiar with it as I am.