Colt Government Model Competition Series 70 .45 ACP, 5-inch National Match, Blued, 2018, Upgraded Sights & Trigger
This Colt Government Model Competition Series (Model O1970CCS) is a full-size Series 70 .45 ACP 1911 built with a 5-inch National Match, bushing-fitted barrel and a blued carbon-steel slide and frame. It features targeted competition upgrades including a HEINE ledge-style rear sight and a plain serrated black front sight, plus a long skeletonized aluminum trigger. Aftermarket rear sight, trigger and other components installed.
Factory details such as the National Match barrel hood marked "COLT .45 AUTO N.M.," rear-only cocking serrations, GI-style recoil spring plug with standard bushing, and blue/black Colt-logo G10 grips round out a purpose-built Competition Series setup. The factory case label confirms the O1970CCS model code, and the pistol was manufactured in 2018.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape. There are some minor and superficial scratches and blemishes present. The bore is clean and shiny.
What’s Included
- Colt factory hard case with matching O1970CCS label
- Colt owner’s manual
- 1x 8-round steel single-stack .45 ACP magazine (marked "45 ACP")
- Set of Hogue 1911 checkered wood grip panels (uninstalled)
The Competition Series setup centers on Colt’s 5-inch National Match barrel for precise lockup and reliable accuracy, paired with a standard bushing and GI-style recoil spring plug. The barrel hood is correctly marked "COLT .45 AUTO N.M."
Target-focused sighting is provided by a HEINE ledge-style rear sight (two-screw) and a plain serrated black front sight blade. These aftermarket irons offer a clean, distraction-free sight picture suited to competition and practice.
The fire-control system is Series 70 with a long, skeletonized 3-hole aluminum trigger installed, complemented by a skeletonized oval-cut hammer. Safety features include a manual thumb safety, beavertail grip safety, and a half-cock notch.
Construction is blued carbon steel throughout with rear-only cocking serrations and textured blue/black Colt-logo G10 grip panels. Capacity is 8+1 in .45 ACP. The factory case label observed confirms the O1970CCS model code, and the pistol was made in the United States in 2018.