gunrunnerhell: Colt Mark IV Series 80 The Series 80, named because of their production beginning in the 1980’s, were an improved model of the Series 70. A new firing pin safety system addressed the issue of accidental misfire when the gun was dropped
gunrunnerhell: Colt Mark IV Series 80 The Series 80, named because of their production beginning in the 1980’s, were an improved model of the Series 70. A new firing pin safety system addressed the issue of accidental misfire when the gun was dropped
