This is the only long gun round that I load. Until reading about this cartridge I had no, as in zero interest in ARs, but now, I’ve assembled 5 of them (2 300 BLK, 2 458 Socom, 1 .223 Wylde), and have a 6th in process, and a 7th planned. I don’t want to hijack a thread, so...back on topic.
I’m...