Saw this on the 300BLK forum...
Has anyone tried using any of Thunderbird Cartridge Company's T680 powder? It is supposed to be equal to AA1680.
http://www.tbirdammostore.com/powder-store.html
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Saw this on the 300BLK forum...
Has anyone tried using any of Thunderbird Cartridge Company's T680 powder? It is supposed to be equal to AA1680.
http://www.tbirdammostore.com/powder-store.html
better response here
https://www.ar-15.co/forums/103-Ammu...-and-Reloading
Thank you Great Kazoo, my search-fu is weak...