Build Blowback Better: Aero Precision EPC 9mm AR Pistol Review
The concept of a 9mm AR is nothing new. In the early 1980s, Colt began developing 9mm prototypes based on this platform, the earliest of which was an open-bolt submachine gun that fed from a modified Uzi magazine. In subsequent prototypes, the design switched to a closed-bolt direct blowback system — this would carry...