1st Year Heckler & Koch H&K HK4 HK-4 Multi-Caliber Semi-Auto Pistol, 1967

1st Year Heckler & Koch H&K HK4 HK-4 Multi-Caliber Semi-Auto Pistol, 1967

1st Year Heckler & Koch H&K HK4 HK-4 Multi-Caliber Semi-Auto Pistol, 1967