Description
Order Magpul MS1 System QD Sling Swivel 1 1/4″ Now At ArmsCor USA
Magpul QD Sling Swivel 1.25″ | Push-Button Quick Detach | Made in USA
Key Features: Magpul QD Sling Swivel 1-1/4″
- 🔘 Push-Button Quick Detach: Effortlessly attach and detach your sling with a reliable push-button mechanism designed for speed and ease of use [citation:1][citation:5].
- 📏 1-1/4″ Webbing Compatibility: Optimized for standard 1.25-inch sling webbing, perfect for the MS1 Sling system and other tactical slings [citation:1][citation:9].
- 🛡️ Manganese-Phosphate Finished Steel: Constructed from durable steel with a corrosion-resistant manganese-phosphate finish that stands up to harsh environments [citation:1][citation:6].
- 🔄 Versatile Configuration Options: Combine with MS1 Sling for dedicated two-point setup, or with MS1 MS4 Adapter for two to one-point convertible sling [citation:1][citation:2][citation:8].
- 🇺🇸 Made in USA: Proudly manufactured in the United States to Magpul’s exacting quality standards [citation:1][citation:5][citation:8].
- ⚫ Black Finish: Classic black finish complements any rifle build and maintains a low-visibility profile.
- 🔧 Universal QD Compatibility: Works with all standard push-button QD sling attachment points and sockets [citation:5][citation:6].
Magpul QD Sling Swivel: Precision Engineering for Tactical Applications
The Magpul MS1 System QD Sling Swivel 1 1/4″ is a precision-engineered, push-button quick-detach sling swivel designed for shooters who demand reliability and performance [citation:5]. Made from manganese-phosphate finished steel, it offers exceptional durability and corrosion resistance in all conditions [citation:1][citation:5]. Whether you’re a competitive shooter, law enforcement professional, or dedicated enthusiast, this QD swivel ensures your sling stays exactly where you need it—until you need it to release.
Built for the MS1 Ecosystem
This QD sling swivel is an integral component of the Magpul MS1 sling system. Add two swivels to the Magpul MS1 Sling for a dedicated two-point setup, or combine with the MS1 MS4 Adapter for a versatile two to one-point convertible configuration [citation:1][citation:2][citation:6]. This modular approach gives you complete control over your sling setup, adapting to any mission or shooting scenario.
Rugged Steel Construction
Unlike polymer alternatives that can wear or fail under stress, the Magpul QD Sling Swivel is machined from steel with a manganese-phosphate finish [citation:1][citation:6]. This finish provides exceptional corrosion resistance while maintaining the low-reflectivity profile required for tactical applications. The push-button mechanism is engineered for positive engagement—it stays secure during heavy use but releases instantly when you need it [citation:5].
Product Specifications
| Manufacturer | Magpul Industries [citation:2][citation:6] |
|---|---|
| Manufacturer Part Number (MPN) | MAG540-BLK [citation:2][citation:6] |
| UPC | 873750010854 [citation:1][citation:2][citation:5] |
| SKU | MAG540-BLK-ACU (ArmsCor USA internal) |
| Product Type | Quick-Detach Sling Swivel [citation:1] |
| Webbing Width | 1-1/4 inches (1.25″) [citation:1][citation:9] |
| Material | Steel with Manganese-Phosphate Finish [citation:1][citation:6] |
| Color | Black [citation:1][citation:2] |
| Attachment Mechanism | Push-Button Quick Detach [citation:1][citation:5] |
| Compatibility | Standard QD Sling Attachment Points / Sockets [citation:5][citation:6] |
| Weight | Approximately 0.045 kg (1.6 oz) [citation:1] |
| Country of Origin | USA [citation:1][citation:5][citation:8] |
| Warranty | Magpul Lifetime Warranty |
What’s Included
- Magpul QD Sling Swivel – 1-1/4″ (MAG540-BLK) [citation:5]
- Genuine Magpul factory packaging
Note: This is for a single swivel. For a complete two-point sling setup, two swivels are required [citation:6].
Compatibility & Recommended Pairings
The Magpul QD Sling Swivel 1-1/4″ is designed to work seamlessly with:
Compatible Slings:
- Magpul MS1 Sling – For dedicated two-point configuration [citation:1][citation:7]
- Magpul MS4 Sling – For convertible two-to-one-point setups [citation:3]
- Any 1-1/4″ webbing sling with QD compatibility
Compatible Mounts:
- Magpul CTR, ACS, and UBR stocks with integrated QD sockets
- Magpul M-LOK QD Mounts
- Standard push-button QD sling attachment points from any manufacturer [citation:5][citation:6]
Customer Reviews & Feedback
Here’s what shooters are saying about the Magpul QD Sling Swivel:
“QD Sling Swivel works really well, anti-rotation is a blessing and looks full-on pro. Do they work? Yes, they work great. The pushbutton action works well and doesn’t unintentionally detach, the materials are top notch.” — Verified Buyer [citation:5]
“This little piece of gear is as dependable as it gets. I’ve used it on multiple rifles over the years, and it has never failed—snaps in, stays secure, and detaches instantly when I need it to. The machining feels rock-solid.” — D**. [citation:5]
“QD function is nice and fits tight. No noise. Great quality.” — C. Fowler [citation:6]
“I bought this to replace a small-name brand swivel that would pull free. Of course, this Magpul version has no issues, and is easy to manipulate.” — Andrew T [citation:6]
Why Order the Magpul QD Sling Swivel from ArmsCor USA?
When you order Magpul MS1 System QD Sling Swivel 1 1/4″ now at ArmsCor USA, you’re getting:
- ✅ 100% Genuine Magpul Product: Authentic, factory-fresh components with full Magpul warranty support [citation:1].
- 🚚 Fast, Secure Shipping: Your order processes quickly and ships with tracking.
- 💰 Competitive Pricing: Check our price against competitors—we deliver exceptional value.
- 🔧 Expert Support: Our team knows Magpul products and can answer your compatibility questions.
- ⭐ Verified Customer Reviews: Join thousands of satisfied shooters who trust ArmsCor USA.
Installation Tips
Using your Magpul QD Sling Swivel is simple:
- Loop your 1-1/4″ sling webbing through the swivel opening [citation:5].
- Press the push-button to retract the detent.
- Insert into any standard QD socket until you hear an audible click.
- Test that the swivel is securely locked by applying gentle pressure.
- To release, press the button and pull the swivel free.
Complete Your Sling System
Build the ultimate sling setup with these compatible Magpul products:
- Magpul MS1 Sling – The perfect partner for your QD swivels [citation:7][citation:10]
- Magpul MS1 MS4 Adapter – For convertible two-to-one-point configuration [citation:1][citation:2]
- Magpul M-LOK QD Mounts – Add QD attachment points to any handguard
Technical Resources & Documentation
For additional technical information and official documentation:
Technical specifications verified from Magpul factory data and authorized retailer listings [citation:1][citation:2][citation:6].
⚠️ PROP 65 WARNING: This product can expose you to chemicals, including lead and petroleum products, which are known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov [citation:6].







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