Magpul MOE Fixed Carbine Stock
Editor’s Note: This article is about the Magpul MOE fixed stock designed for the AR-15 pattern rifles. This is not a sponsored post nor was a sample/free product provided to the author. Some links on this page and site are affiliate links which is how this site earns money.
Back in 2013, Magpul added a new piece to its popular MOE line of products: the MOE Fixed Carbine Stock. At launch, Magpul hadn’t released the specifications, so I couldn’t bring you the length, measurements, or mounting method. Now, of course, the numbers are out, and its been proven on the range and in the field. I’ve got one myself, which has impressed me.
The concept hasn’t changed. The Magpul MOE Fixed Carbine Stock is a non-collapsing stock built specifically for carbine-length buffer tubes. It comes in both Mil-Spec and Commercial models, giving shooters another option to satisfy their personal preferences or (ugh) state-mandated rifle requirements.
If you’re shopping for an AR-15 fixed stock that doesn’t force you into a rifle-length buffer system, this one deserves a look. Below, I’ll cover the full feature list and specs, which version you need, how installation works, how it performs on the range, what it costs today, and who should buy one.
Magpul MOE Fixed Carbine Stock Features and Specs
This Magpul fixed stock shares a lot with the popular MOE collapsible stock. It uses the same open-frame look, but the frame is a little longer and larger. A fixed spacer at the front envelops the bottom half of the castle nut, giving it a clean fit against the receiver.
Here’s what Magpul builds into it:
- Fixed, non-collapsing design made for carbine-length buffer tubes (receiver extension not included)
- Two models: Mil-Spec (MAG480) and Commercial-Spec (MAG481)
- Length of pull of about 12.2 inches on a standard flat-back carbine tube
- Overall length of 8.8 inches and a weight of roughly 9.5 ounces
- Slim profile with an improved cheek weld
- Rubber butt-pad with an anti-slip surface
- Integrated 1.25-inch sling loops
- Accepts Magpul’s left- or right-side push-button QD sling mount kits (sold separately)
- Compatible with the ASAP Plate and PRS Extended Rubber Butt-Pad
- Non-armorer installation, with no need to remove the castle nut or lock plate
- Durable polymer construction, made in the U.S.A.
- Available in Black, Flat Dark Earth, Olive Drab Green, and Stealth Gray
In my original post, I said I was fairly confident it would come in the same variety of colors as Magpul’s other stocks. That turned out to be right, so you can match it to whatever furniture is already on your rifle.
Mil-Spec vs. Commercial: Which Magpul Fixed Carbine Stock Do You Need?
This is the one decision you have to get right. Carbine buffer tubes come in two diameters, and the stock has to match the tube on your rifle.
Mil-Spec tubes measure roughly 1.148 inches in diameter. They’re the most common on modern rifles from makers like Colt, LMT, Ruger, Smith & Wesson, and SIG. Commercial tubes are a hair larger, roughly 1.168 inches, and often turn up on older rifles from Bushmaster, DPMS, and others.
There’s also a visual tell. Commercial tubes usually have a sloped rear end, while Mil-Spec tubes are flat in the back. If you aren’t sure what you have, measure the tube with calipers before you order. Both versions share the same features, so fit is the only thing that matters.
How to Install the MOE Fixed Carbine Stock
Installation does not require an armorer, and that’s still one of my favorite things about this stock. The castle nut and lock plate stay put, so you aren’t disturbing the staking on your receiver extension.
The process is about as simple as it gets:
- Clear the rifle and verify it’s unloaded.
- Remove the existing collapsible stock from the buffer tube.
- Slide the MOE Fixed Carbine Stock onto the tube until it’s fully seated.
- Align the stock and tighten the locking screw to secure it.
- Give it a firm tug to confirm there’s no movement before you head to the range.
Because the stock rides on your existing carbine tube, buffer, and spring, you aren’t converting to a rifle-length system. That saves money and leaves the rifle’s function unchanged.
How the MOE Fixed Carbine Stock Performs on the Range
I’ve since put one on my own rifle, and it delivered. Installation went even more easily than I expected.
Shouldered, the stock feels solid and firm. With a good cheek weld, the rifle feels anchored, with none of the wobble or slop some adjustable stocks have. Accuracy was excellent while running it.
Magpul nailed the molding, too. There are no rough edges or burrs to rub against your face or arms, and nothing snagged my facial hair. It’s also light enough to run all day without adding fatigue.
Who Should Buy an AR-15 Fixed Stock Like This One?
The MOE Fixed Carbine Stock makes the most sense for three groups of shooters.
The first is anyone living in a state that restricts adjustable stocks on certain rifles. A fixed carbine stock lets you keep your carbine buffer system and still stay within the rules. Laws change often, so check your current state and local regulations before you buy.
The second is the shooter who set a collapsible stock to one position years ago and never touched it again. A fixed stock removes the moving parts and the wobble that comes with them. Several buyers have said it eliminated the rattle they had with their old collapsible stock.
The third is the budget builder. This is one of the least expensive ways to put a quality fixed stock on an AR-15 without cutting corners.
How It Compares to Other Magpul Stocks
The Magpul fixed rifle stock (the MOE Rifle Stock) is the closest sibling. It’s longer and requires a rifle-length buffer tube, buffer, and spring. The standard MOE Carbine Stock stays adjustable, which matters if several people share the rifle or you shoot while wearing armor or heavy winter clothing.
The MOE Fixed Carbine Stock sits right between them. It’s fixed like the rifle stock and compact like the carbine stock.
Price
When it launched, both versions carried an MSRP of $49.95, compared to $69.95 for the MOE Rifle Stock. At the time of this writing, you can get it at a substantial discount here. If you can believe it, the stock is cheaper now than it was in 2013, which is rare for anything gun-related these days.
Magpul MOE Fixed Carbine Stock FAQ
The Bottom Line
The Magpul MOE fixed stock for carbine tubes does one job, and it does it well. It gives you a slim, solid, non-collapsing stock without an armorer, a rifle-length conversion, or much money.
Back in 2013, I couldn’t give you the specs. Now that they’re out and I’ve run one myself, it’s clear Magpul got the basics right: a 12.2-inch length of pull, under 10 ounces, real sling options, and four colors. Order the version that matches your buffer tube, and you’ll have it installed in minutes.
You can purchase a Magpul fixed stock here.
Updated: October 10, 2026
