At the end of the day, the 300 Blackout and the 5.56 NATO both serve their purposes well. The 300 Blackout is the real heavy hitter when it comes to power, suppression, and close-quarters situations.
Popular AR-15 ammunition made at an Army-owned facility was far more likely than any other to turn up in a government ...
Police recovered an illegally modified AR 5.56 rifle with a shortened barrel. No injuries were reported from the shooting, ...