Many a keystroke has been dedicated to the differences between the Colt Series 70 and Series 80 pistols. I've shot both and like them both. While Colt has reintroduced the Series 70, the gun reviewed here is a Series 80 model, which has an MSRP that is $100 less than the Series 70. Unboxing. The Colt Series 80 is an eye-catcher, right out of Colt .22 Conversion Unit. I found a Colt .22 conversion unit that I plan to mount on a Gold Cup receiver. Appears as a late model series 80 with Mark IV markings on left and .22 CONVERSION UNIT marked on the right side.Can any of you fine fellow Colt collectors recommend the best set up for the .22 conversion. This video shows how to assemble a Colt Officer's ACP. I made this video for those who requested assembly help, after watching my "Colt Officer's Field Str Buy Colt Series 80 1911 Mark IV Gold Cup National Match .45ACP in Case: GunBroker is the largest seller of Semi Auto Pistols Pistols Guns & Firearms All: 930178342 8-1/2" FIREARM SPECIFICS: SERIES 80 COLT MK IV GOLD CUP NATIONAL MATCH .45 AUTO SEMI AUTO PISTOL, COMES W/ TWO 8 RD MAGAZINES, MANUAL, AND ORIGINAL CASE PISTOL IS LIGHTLY USED Last Updated on Tue, 10 May 2022 | Colt MK IV Series 80 This section is provided so that you may identify names of parts for your own interest. However, for adjustment, repair, or spare parts information, see Section 5—"Servicing and Repair". DESCRIPTION 1. Barrel 2. Barrel Bushing 3. Barrel Link 4. Barrel Link Pin 5. Oisconnector S. Ejector 7. Colt MK IV Series 80 Combat Commander MFG 1989 .45 ACP, 4" bbl, bright shiny bore, good rifling, 3 dot sights, blued finish, nice walnut checkered grips with inset Colt medallions, (read more) Gun #: 969844483. Seller: SPRAGUES SPORTS INC. GA Sales: 2250. The Officer's ACP (OACP) was released in 1985 or 1986 and was replaced by the Defender series. The gun has the Series '80 firing pin safety. The OACP has a 3.5" barrel with a bushing and the spring plug is retained by a tab that mates to a slot in the slide's spring tunnel. This tab is what is known for breaking. The Colt Government Model would have to be an outstanding performer to earn a recommendation against the readily available pistols. The Colt Government Model 380 is a nicely fitted and finished handgun. The Colt Government Model 380 uses a sepa-rate barrel bushing that must be rotated in disassembly, in the same manner as the Colt 1911 (arrow). Colt Auto Pistols 1911 Government Series 80 (O Frame) Parts List. Parts List. Sort by: How to field strip and reassemble a Colt MK IV Series 80 - 1911 by Silvercore Training. Don't forget to like and subscribe to our channel: youtub Buy Colt Gold Cup National Match MK IV Series '70 .45 ACP 1911 Pistol, ATF C&R: GunBroker is the largest seller of Curios & Relics Collectible Firearms All: 931543549 two-piece styrofoam insert, an assortment of factory paperwork including manual, Colt branded bushing wrench and sight adjustment tool, and with a total of two 7-round Took apart my Colt Series 80 MK IV Government model, for cleaning and install new grips. Upon re-assembly (or rather just before reassembly) at some point I'm pretty sure I pulled the trigger while the slide was off the receiver, and now, even after I cock the hammer to reinstall the slide, the plunger lever (sits alongside and to the right of the hammer) won't sit down flush enough (into the Took apart my Colt Series 80 MK IV Government model, for clea