Colt Govt Model MK IV 70 45 ACP Nickel 5″ Semi-Auto Pistol

SOLD FOR: $1,535.00

LSB#: WY250408GF056

Make: Colt

Model: Government Model MK IV Series 70

Serial Number: 70G46785

Year of Manufacture: 1974  

Caliber: .45 ACP 

Action Type: Semi-Automatic, Single Action, Fed by Detachable Magazines

Markings:  The left side of the slide is marked “COLT’S MK IV / SERIES 70 / GOVERNMENT MODEL / .45 AUTOMATIC CALIBER” and features the rampant Colt logo. The right side of the slide is marked “COLT’S GOVERNMENT MODEL.” The right side of the frame is marked with the serial number “70G46785.” The barrel is marked “COLT .45 AUTO / MK.IV/SERIES ‘70.” 

Barrel Length: 5”

Sights / Optics:  The front sight is a ramped blade fixed to the slide. The rear sight is a square-notch dovetail, drift-adjustable for windage. 

Stock Configuration & Condition:   The grips are custom cherry hardwood panels with a smooth finish and a deep red tone. They are free from cracks or chips, though there are a few faint finish marks from handling. These grips enhance the classic look of the nickel frame and rate in about Fine-Excellent overall condition. 

Magazine Quantity & Condition:  Includes one nickel Colt .45 ACP magazine  in Very Good condition with minor operational wear and strong feed lips.

Type of Finish: Nickel

Finish Originality: Original

Bore Condition:  The bore is bright, the rifling is sharp. There is no visible erosion in the bore. In this writer’s opinion, the bore rates 9/10.

Overall Condition:   This pistol retains about 98% of its original nickel finish. The balance of the finish shows light operational wear along the slide and frame rails, minor dulling at high-contact points such as the front strap, and faint surface scratches typical of nickel finishes. The screw heads are sharp. The pins are clean and unmarred. The markings are crisp and legible throughout. Overall, this pistol rates in about Excellent condition.

Mechanics:  The action functions correctly. The slide cycles smoothly, and the trigger breaks cleanly. We did not fire this pistol. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories:   None

Our Assessment:  The Colt Government Model MK IV Series 70 chambered in .45 ACP stands as one of the most iconic 1911 pistols ever produced. Introduced in the 1970s, this model bridged classic Colt design with updated manufacturing and tolerances, including the Series 70 collet bushing system, which improved barrel-to-slide fit and accuracy. Finished in bright nickel, this pistol exudes vintage flair while retaining all the rugged functionality and stopping power that made the 1911 a mainstay of military and civilian use alike.

This particular example benefits from its striking factory nickel finish, which was offered in limited numbers and adds collectible appeal. Whether you’re a Colt enthusiast, a 1911 aficionado, or a shooter with a taste for American classics, this MK IV delivers historic pedigree and performance in equal measure. The full-length 5” barrel and single-action trigger offer exceptional shootability, and the robust all-steel frame ensures longevity for generations.

Whether destined for the range, display case, or safe, this Colt Series 70 will impress collectors and shooters alike. Its timeless styling, quality craftsmanship, and legendary chambering in .45 ACP make it a smart investment and a pleasure to own.  Please see our High Quality photos and good luck on your bids.-C.M.