10 Magazines for Your 1911 Officers Model in .45 ACP

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1911 Ofiicers model. Image Credit: @smokeyja

So. You have a 1911 Officers Model pistol chambered in .45 ACP and you’re looking to get some new mags for it. It’s always a good idea to keep extra magazines, right? They save you time at the range, and serve as a backup if something happens to your primary magazine…including when it goes empty.

But how do you know which magazines to buy? It can be time-consuming to search through websites looking for the right mags that will fit your needs. 

We thought we’d made the process just a little easier for you by compiling a list of all the magazines we have available at GunMag Warehouse for the 1911 Officers Model chambered in .45 ACP. We currently have ten options available, at six or seven-round capacity. 

What are the differences between all these different magazines, and are they important to you?

That’s the point of this guide. Our Director of Marketing Daniel Shaw has made product videos for a few of these magazines, so you can get a fuller view of the magazines, see how the followers move, check out the baseplates, and get some of Daniel’s insight.

Keep reading to learn more about .45 ACP mags for 1911 Officers pistols available at GunMag Warehouse!

Six-Round Mags

First, let’s take a look at four six-round Metalform magazines for Officer 1911 pistols in .45 ACP. These mags are engineered to deliver combat- and concealment-ready performance.

Metalform, by the way, is a company that has proven itself in over a half-century of service with the defense industry. The company makes a lot of magazines for major firearm manufacturers like Colt, Wilson Combat, Ruger, Springfield, Remington, Smith & Wesson, Kimber, and STI. As our Marketing Director Daniel Shaw says, those companies trust Metalform, and you can trust them too.

These magazines are made with either cold-rolled steel or stainless steel. The cold-rolled steel mags are black in color, and both kinds, black or stainless, are available with flat or round followers. 

Uh, is there a difference between flat followers and round followers?

We’re glad you asked! 

According to the folks at Metalform, “The difference is the rounded follower simulates an additional round and it was designed to aid in feeding. As far as preference it is a personal choice. It is really split 50/50 on which follower is better. Both function well in pretty much any type of 1911.”

We asked firearms expert Mike Searson to explain the difference: “The round ones are supposed to be better at catching the slide and holding it open when the gun runs empty. The flat ones will do this too, but the round ones are more consistent.” 

Is this true all the time? Not necessarily, as Mike explains, “It’s really only a thing with certain guns. There have probably been over 200 1911 manufacturers and certain guns might have a problem with flat followers. In my experience, it’s the older ones that are more worn out.”

The first two magazines we’re going to look at are constructed with cold-rolled steel with a welded base. Cold-formed is the common term that means the steel has been rolled or pressed into semi-finished or finished goods at relatively low temperatures. 

1. 1911 Officers Metalform 6-round magazine with Welded Base & Flat Follower in .45 ACP.

1911 Officers Metalform 6-round magazine with Welded Base & Flat Follower in .45 ACP - Daniel Shaw

Watch this video about the mag with the flat follower. This magazine has a fixed, flush baseplate, making it ideal for duty and concealment use. 

 

 

2. 1911 Officers Metalform 6-round magazine with Welded Base & Round Follower in .45 ACP.

Here is the one with the round follower, also with a fixed, flush basepad. 

1911 Officers Metalform 6-round magazine with Welded Base & Round Follower in .45 ACP - Daniel Shaw

The steel parts for these mags are blued in a solution of potassium nitrate, sodium hydroxide, and water heated to the boiling point, ensuring that the magazine will last the shooter a very long time without rust or tarnish. Then, they are put through multiple tests to assure everlasting service.

Watch the video.

 

3. 1911 Officers .45 ACP Stainless Steel 6-Round Magazine with Flat Follower

Ok, so maybe you like the six rounders from Metalform, but you’d rather have them made with stainless steel. Good news! We’ve got ’em!

1911 Officers .45 ACP Stainless Steel 6-Round Magazine with Flat Follower - Daniel Shaw, GunMag Warehouse.

This mag is constructed with tough stainless steel and has a fixed, flush-fitting baseplate, wide-cut witness holes, and a flat follower. 

Check it out in the video:

 

4. 1911 Officers .45 ACP Stainless Steel 6-Round Magazine with Round Follower

Love the stainless steel, but need a round follower? You got it! 

Officers 1911 stainless steel 6-round magazine with round follower.

All Metalform magazines are made in America and engineered to meet or exceed factory standards for performance and reliability, and they come with a one-year warranty.

As you know, GunMag Warehouse carries a bunch of different brands, so lets move on and see what other magazines you can find for your 1911 Officers in .45 ACP!

5. Mec-Gar 1911 Officers 6-round magazine in .45 ACP.

These 6-round magazines are built from tough blued or nickel steel with features including individual witness holes and music wire spring internals. Both magazines have the same welded, permanently attached, flush-fit baseplate.

Mec-Gar 1911 Officers 6-round magazine in .45 ACP, blued and nickel finish. Daniel Shaw, GunMag Warehouse.

But wait, it gets better! They’re not constructed with polymer followers. Rather, they have nice-quality steel followers. According to Daniel, those followers feel nice and make a nice noise when they’re empty. But they sound even better when you’re feeding the rounds through your 1911!

These are great magazines, made by MecGar—a company trusted by a wide variety of firearms manufacturers. Mec-Gar has been specializing in firearms magazines for over half a century, with over 100 million magazines made for police, law enforcement, and civilian shooters from all over the world.

Check them out in this video:

6. ProMag 1911 Officer Model .45 ACP Blued Steel 6-round Magazine

Here’s another option in blued steel. This magazine has chrome silicon internal springs and Zytel polymer baseplates. these 6-round magazines are designed to endure serious operational abuse and keep on performing.

ProMag 1911 Officer Model, .45 ACP Blued Steel 6-round Magazine

“Quality product, well made. The price is very good. So many other sites only offer the wildly expensive brands. There is no reason to charge as much as they do. Their product isn’t any better. Thank God for GMW and ProMag.” -Jesse M., another satisfied GunMag customer.

7. Taurus 1911 Officer .45 ACP 6-Round Magazine

Although this mag is made for that sweet little brother in the Taurus 1911 line, the company says it should be compatible with most mil-spec 1911 pistols. They’re engineered to meet the same quality standards as the original equipment mags that came with your gun.

Taurus 1911 Officer .45 ACP 6-Round Magazine

Combining durable steel construction with clear-cut witness holes and impact-resistant polymer baseplates, these standard capacity magazines are designed for superior handling and performance.

“Works Great fits perfect!” – Justin P., GunMag Warehouse customer.
 
 

Seven-Round Magazines

If you want to bump up the capacity of your Officers 1911 a notch, check out these 7-round mags.

8. Colt 1911 Officer/DFR .45 ACP 7-Round Stainless Steel Magazine

The Colt 1911 is a masterpiece of firearms manufacturing from a company with a rich American history reaching back over a century and a half.

Well, here’s the 7-round mag for the Officers model, made of polished stainless steel, with clear-cut witness holes and a flush-fitting stainless baseplate.

Colt 1911 Officer/DFR .45 ACP 7-Round Stainless Steel Magazine

“Great gun for conceal carry and home, Colt dependability and quality.” -Joseph B., GunMag Warehouse customer.

9. Mec-Gar 1911 Officers Nickel-Finished Steel 7-round magazine in .45 ACP.

If you were interested in the Mec-Gar 6-round magazine, but you’d prefer to have one more round at your disposal for concealed carry, here it is! This one has a high-impact polymer follower and removable Mil-Spec polymer baseplate.

Mec-Gar 1911 Officer .45 ACP 7-Round Magazine - Daniel Shaw, GunMag Warehouse.

This particular product currently has 25 reviews on our product page from satisfied customers.

“These are good mags, feed great just like they should and like I expect from Mec-Gar. Quality at a decent price”. – Steven R. 

“These mags are a good value for the price. You can spend more, and arguably get better quality, but overall I wouldn’t hesitate to purchase more of these.” -Zane M.

This magazine has a nice baseplate on it—the kind that Daniel can get behind. He can easily grab onto it and rip it out if he’s got some kind of stoppage with his gun. 

10. Korean Magazines 7-round Mag 

And last but not least, here’s another option for your Officers 1911. This one also has a removable baseplate.

Korean Magazines 1911 Officer .45 ACP 7-Round Magazine w/ Removable Base

And that’s a wrap! Which one are you going to get for your 1911 Officers model?

Buy your magazines at GunMag Warehouse!

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Stephanie Kimmell is the firstborn daughter of Missouri’s Pecan King, worthy scion of a Vietnam veteran sailor turned mad engineer-orchardist-inventor-genius. With a BA in technical writing, she freelances as a writer and editor. A Zymurgist greatly interested in the decoction of fermented barley and hops, she is in many ways a modern amalgam of Esther Hobart Morris, Rebecca Boone, and Nellie Bly. She hunts, fishes, butchers, and cooks most anything. When not editing or writing, she makes soaps and salves, spins wool, and occasionally makes cheese from cows she milked herself. Kimmell is a driven epistemophilic who loves live music and all sorts of beer.