The bore has sharp rifling throughout the length and the barrel length is 3. Colt Government 380 hammer spring #55530. Colt Government Model MK IV/Series 80-380 Auto Pistols 1990 Manual, Repair Stations List, Colt Letter, Etc. 3&1/4' stainless steel finish barrel and frame. Will this fit my Colt MK IV/series 80 government madel-380 auto Expert Answer. In the original box numbered to the gun in very good condition.
Colt Government 380 trigger, aluminum #55540. Parts are available to the public for self installation, but can also be installed by our highly trained gunsmiths. 99% original finish, fine bore, action and markings with. Colt mk iv series 80 380 parts Ex Tax: $9.