Description
The Magpul MS4 Dual QD Sling GEN2 is built for folks who want one sling that does two jobs. Thanks to a pair of heavy-duty push-button QD swivels and a precision-cast steel connection ring, you can flip between two-point and one-point carry in seconds without breaking down your setup. It's the same combat-proven design that's earned a following with military, law enforcement, and everyday range users, just refined with a few smart upgrades in this second generation.
What Sets the MS4 Dual QD GEN2 Apart
The QD swivels drop straight into the sling cups you already have on your lower receiver, receiver end plate, buttstock, and most low-profile forward mounts. That means it plays nice with Magpul's own ASAP, RSA, MSA, and M-LOK QD mounts, along with plenty of other push-button sockets on the market. The steel D-ring is finished in Melonite, so it shrugs off wear and corrosion after years of hard handling. The swivels themselves wear a manganese-phosphate coating for the same reason.
Comfort and Adjustment on the Magpul MS4 GEN2
This version runs a custom 1.25-inch nylon webbing that stays strong while cutting down on chafe against your neck and shoulder. The GEN2 got a redesigned low-profile quick-adjust slider that trims bulk and lets you cinch up or loosen tension one-handed, even while you're wearing it. Magpul also stretched the webbing length on this generation, so it fits comfortably across different body types and layers of gear or armor.
A Few Practical Notes
The Coyote Tan webbing carries a Near Infrared treatment to help knock down IR signature, which is a nice touch if you run night gear. It adjusts from 48 to 60 inches with roughly 10 inches of slider range, covering rifles, carbines, and even shotgun setups. Made in the USA, this is one of those pieces of kit you buy once and stop thinking about.
Key Specifications
- Model: MS4 Dual QD Sling GEN2
- Manufacturer: Magpul Industries
- Manufacturer Part Number: MAG518-COY
- UPC: 873750010809
- Color: Coyote Tan
- Configuration: Convertible One-Point / Two-Point
- Overall Length: 48 in – 60 in
- Slider Adjustment Range: 10 in
- Webbing Width: 1.25 in
- Webbing Material: Nylon with Near Infrared (NIR) treatment
- D-Ring Finish: Melonite-treated steel
- QD Swivel Finish: Manganese-phosphate steel
- Attachment Type: Push-button Quick Detach (QD)
- Country of Origin: Made in USA
- Shipping Weight: 0.635 lb
What’s Included
- Magpul MS4 Dual QD Sling GEN2 (Coyote Tan)
- Two heavy-duty push-button QD sling swivels
- Melonite steel QD connection ring / D-ring
- Low-profile quick-adjust slider
Frequently Asked Questions
Can the MS4 Dual QD GEN2 run as both a one-point and two-point sling?
Yes, that convertibility is the whole point of the MS4. Using the two push-button QD swivels and the steel D-ring, you can switch between two-point and one-point carry in seconds. It's a quick, one-handed change when your situation shifts.
What QD mounts is the Magpul MS4 GEN2 compatible with?
The push-button QD swivels work with standard QD sling cups on lower receivers, receiver end plates, buttstocks, and most low-profile forward mounts. That includes Magpul's ASAP, RSA, MSA, and M-LOK QD mounts, plus many other push-button sockets on the market. If your rifle has a QD socket, this sling will almost certainly drop right in.
How long is the MS4 Dual QD Sling and will it fit over armor?
It adjusts from 48 to 60 inches with about 10 inches of slider range. Magpul lengthened the webbing on the GEN2 specifically so it fits comfortably across different body types and layers of gear or plate carriers. The low-profile slider lets you dial in tension one-handed on the fly.
Does the Coyote Tan webbing have any special treatment?
It does. The colored webbing carries a Near Infrared (NIR) treatment that helps reduce its IR signature, which is handy if you're running night vision or IR-sensitive gear. It's a small detail that adds real value for low-light and low-visibility use.





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