Description
The Magpul MOE SL-K is one of those upgrades that quietly makes a rifle better every time you pick it up. It drops right onto any mil-spec carbine buffer tube, so if you're swapping out a clunky factory stock or building something trim from the ground up, this one bolts on without any drama. The whole point of the SL-K is compact size and low weight, and at 7.9 ounces it delivers exactly that without feeling flimsy.
What Sets the SL-K Apart
Magpul shaved this stock down for PDW-style and short builds where every ounce and every inch counts. The short, slim profile and reduced-size rubber butt-pad keep it from snagging on gear when you bring the gun up, and the rolled toe helps it glide into your shoulder pocket for consistent, repeatable mounting. That rollover toe is a real perk if you run a plate carrier or chest rig, since it clears armor and lets you transition shoulders cleanly. A sloping cheek weld rounds it out for comfort behind the optic.
Locking It Down and Slinging Up
One of the smarter touches here is the ambidextrous release latch. It cuts down on rattle against the receiver extension without needing extra locks, levers, or springs, and it's genuinely anti-snag no matter which side you grab. A chrome-silicon lock spring keeps that connection tight over the long haul. For slings, you get a 1.25-inch footman's loop built in, and if you prefer push-button QD swivels, the stock accepts an optional M-LOK QD Sling Mount. It also plays nice with Magpul ASAP and other receiver-mount sling setups.
Sizing and Fit for Your AR-15
The SL-K offers a 3.3-inch length-of-pull adjustment range, running roughly 10.5 inches collapsed out to about 13.8 inches extended on a standard M4 setup. It fits mil-spec carbine receiver extension tubes from Colt, LMT, Ruger, S&W, SIG, and plenty of others. Finished in Flat Dark Earth and made right here in the USA, it's a clean, functional pick for anyone chasing a lighter, more compact carbine.
Key Specifications
- Manufacturer: Magpul Industries
- Model: MOE SL-K Carbine Stock
- Manufacturer Part Number: MAG626-FDE
- UPC: 840815103097
- Color: Flat Dark Earth
- Fit: Mil-Spec carbine buffer tube (AR-15/M4)
- Weight: 7.9 oz
- Length, Max: 6.5 in
- Height, Max: 4.2 in
- LOP Adjustment Range: 3.3 in
- LOP, M4 Collapsed: ~10.5 in
- LOP, M4 Extended: ~13.8 in
- Sling Mounting: 1.25 in footman's loop, accepts optional M-LOK QD Sling Mount
- Lock Spring: Chrome-silicon
- Country of Origin: Made in USA
What’s Included
- Magpul MOE SL-K Carbine Stock (Flat Dark Earth)
Frequently Asked Questions
Will the MOE SL-K fit my AR-15 buffer tube?
It's built for standard mil-spec sized carbine receiver extension tubes, which covers the vast majority of AR-15 and M4 setups. It works with tubes from Colt, LMT, Ruger, S&W, SIG, and many others. Just note it won't fit commercial-spec tubes, so double-check what's on your rifle before you order.
Does the SL-K come with a buffer tube or QD sling mount?
No, the stock ships on its own and slides onto your existing mil-spec receiver extension tube. The 1.25-inch footman's loop is built in for sling attachment, but the M-LOK QD Sling Mount is an optional accessory sold separately if you want push-button QD swivels.
How is the SL-K different from the standard MOE SL stock?
The SL-K is the shorter, more compact version. It has a trimmed-down profile and a smaller butt-pad, which makes it lighter and better suited to PDW-style builds or anyone running a plate carrier. If you want the smallest, slimmest option in the SL line, the SL-K is it.
Does the MOE SL-K wobble on the buffer tube?
The ambidextrous release latch and chrome-silicon lock spring are designed to keep rattle to a minimum and lock the stock down solidly at each position. Most users find it snug and stable in use. A tiny bit of play can vary tube to tube, but overall it holds a firm, consistent lockup.







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