Erma Werke ER 777 Complete Specs and Full Gun Specifications

The Erma Werke ER 777 is a single and double action revolver with a swing-out cylinder that was made from 1989-1991. The left side of the barrel is marked “KAL 357 MAGNUM” and with an Eagle over “N” proof. The left side of the frame is marked “ERMA-WERKE / MOD. ER777”. The right side of the barrel is marked “MADE IN W. GERMANY”. This model was made with standard grip and with match grip.