Originally Posted by
Mobier
They told me that they had to adjust the pressure. This rifle does not have a barrel mounted gas valve, at the time I didn't know how to adjust it. They configured the bump stock. This sounds like a pain in the butt. I was under the impression that a 5.56 would shoot .223 ok, but because of the pressure in a 5.56 a .223 rifle couldn't shoot 5.56. When I called and told them what was happening they told me that by no means can you shoot .223 because the AR 556 was designed for 5.56.