All US Armed forces once-fired 5.56x45mm brass provides a crimped primer and an additional move must be taken to method the brass.223s. Make no miscalculation about this–the SU16 isn’t Kel-Tec’s take on the venerable AR-fifteen design and style, as I’ve heard some advise. Despite a passing resemblance, and a common chambering, the SU16 is i