The Ultimate PCC AR Build
This guide details the construction of a high-performance Pistol Caliber Carbine (PCC) AR-15 utilizing CMMG's radial delayed blowback system. The build emphasizes using standard AR-15 components where possible, with specific attention to the unique barrel, bolt, and magazine requirements for this advanced operating system. The video demonstrates the installation of key components like the handguard, muzzle device, and accessories, highlighting how this system reduces recoil and reciprocating mass compared to traditional direct blowback PCCs.













