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The Colt Lightweight Officer is one of those guns that answers a question 1911 people have been asking for decades: how do you get a carry-ready .45 ACP without dragging around a full Government model all day? The answer here is an aluminum alloy Defender-sized frame mated to a stainless steel 4.25-inch Commander-length barrel and slide, a combination that keeps the overall length at 7.5 inches and the unloaded weight down to a very manageable 26 ounces. That CCO-style layout is well-regarded in 1911 circles because the Commander-length slide actually improves the reliability picture compared to the shorter 3.5-inch Officer barrel, while the compact frame keeps the grip profile concealable. It is a small-batch, non-catalog release from Colt that has generated real excitement among 1911 enthusiasts since it appeared in 2025.
The feature list here is not just checked boxes. The aluminum three-hole skeletonized trigger breaks in the 4.5 to 6 pound range, which is right in the sweet spot for a carry gun. Novak Lo-Mount Carry rear and white dot front sights are a proven, snag-resistant combination that works in any light without adding unnecessary height to the profile. Grey/Black G10 grips are textured enough to hang onto under stress without tearing up your cover garment, and the upswept beavertail grip safety does double duty by protecting your hand and ensuring the safety is properly depressed on the draw. The extended thumb safety and Series 80 firing pin safety round out a layered safety setup that experienced 1911 carriers expect. The whole pistol is finished in a stainless Cerakote that resists corrosion without looking flashy about it.
Capacity is 7+1 with the included 7-round magazine, which is what you get with the Commander-length slide on the Officers frame. The serrated slide makes manipulation easy, and the locked breech single-action design means you are getting the same mechanical accuracy platform the 1911 has delivered for over a century. Magazine compatibility with standard 1911 single-stack magazines gives you flexibility for your range supply. This is a gun built for people who already know and trust the 1911 trigger system and want those same fundamentals in something that actually disappears under a cover garment.
The key difference is the frame-slide combination. This model uses a compact aluminum alloy Defender-sized frame paired with a 4.25-inch Commander-length stainless steel barrel and slide, rather than the traditional 3.5-inch Officer barrel. That longer slide setup is widely regarded in the 1911 community as more reliable, and the aluminum frame keeps the weight down to 26 ounces unloaded. It is sometimes referred to as a CCO-style layout and it is a well-tested concept that a number of 1911 makers have built around.
For someone already comfortable with the 1911 platform, it checks most of the boxes. The compact frame and 26-ounce unloaded weight make it genuinely easier to carry all day than a full Government model, and the Novak Lo-Mount sights and beavertail grip safety are carry-friendly additions. The stainless Cerakote finish handles sweat and holster wear well. As with any 1911, getting the gun properly broken in with your carry ammunition of choice before trusting it for daily carry is good practice.
Yes, it uses single-stack 1911-pattern magazines. It ships with one 7-round magazine, and standard single-stack 1911 magazines from reputable makers are compatible. Magazine quality matters more on compact 1911s than on full-size guns, so it is worth sticking with quality brands and testing your specific mags thoroughly.
The skeletonized aluminum three-hole trigger is factory-set to break between 4.5 and 6 pounds. That range is right where most experienced 1911 users prefer a carry trigger: light enough for clean, accurate shooting but not so light that it raises safety concerns. The single-action design means there is no staging or stacking, just a consistent break.
Yes. The O9840XE Lightweight Officer is not a standard catalog item from Colt. It was released in 2025 as a small-batch run, which has made it popular with collectors and carry-focused buyers alike. Availability can be inconsistent, so if you see one in stock it is worth taking seriously.
Because this gun uses a Commander-length slide on an Officers-sized frame, holster fit can require some attention. Holsters cut for a standard Commander length (4.25-inch barrel) will generally work for the slide and barrel, but the shorter grip frame may leave a bit of extra room at the bottom in some designs. Many reputable holster makers offer CCO-specific fits, and custom kydex options that account for this specific frame-slide combination are also available.
| UPC | 098289113580 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | O9840XE |
| Action | |
| ATF Type | Pistol |
| Barrel Length | 4.25'' |
| Caliber/Gauge | .45 ACP |
| Capacity | 7+1-Round |
| Color | Stainless |
| Length | 7.5'' |
| Magazine Included | 1 x 7-Round |
| Model | |
| Number of Magazines | 1 |
| Package Height | 2.8 |
| Package Width | 8.5 |
| Product Type | 1911 |
| Safety | Beavertail |
| Shipping Weight | 3.95 |
| Sights | Novak |
| Sights Type | FIXED |
| Slide Description | Serrated |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
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