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The Magpul RSA (Rail Sling Attachment) solves a common problem on the range and in the field: getting a solid forward sling point without adding bulk or catching on your gear. It installs onto any 1913 Picatinny rail and gives you a clean, low-profile loop that works with clip-in style slings like the Magpul MS2, MS3, and the Paraclip. The loop offers a wide range of motion, so your rifle moves and transitions the way you want it to without the sling binding up.
Magpul didn't cut corners on the metal here. The RSA is precision cast steel finished with a QPQ salt bath nitride process, which is a fancy way of saying it shrugs off wear, sweat, and weather better than most attachment points its size. It's been tested to hold over 300 pounds of force, which is well beyond anything a sling and a loaded rifle will ever throw at it. At roughly 1.3 ounces, you won't notice the weight, but you'll notice how solid it feels once it's locked down.
Mounting is simple and stays out of the way. The slim profile means it won't crowd your optics, block controls, or snag on plate carriers and pack straps. Folks running it report a rock-solid, snug fit on true 1913 spec rails, whether that's a free-float handguard, a drop-in rail, or a factory Picatinny section. Position it just behind your support hand and your sling stays clear of where your hand naturally rides.
This is a proven piece of kit that's been on rifles for years, and it's a favorite for anyone building out an AR-15, M4-style carbine, or any Picatinny-equipped platform who wants a dependable clip-in sling anchor. Made in the USA, it's the kind of small upgrade that quietly makes your whole setup work better.
The RSA is built for clip-in style slings, including the Magpul MS2, MS3, and the Paraclip. It creates a fixed loop that clip-in hardware latches onto, so it isn't a push-button QD socket. If you run a QD swivel setup instead, you'd want the RSA-QD version.
It mounts to any true 1913 Picatinny or STANAG 4694 spec rail, which covers most AR-15 handguards, drop-in rails, and factory rail sections. Users note it fits snug and solid on proper spec rails. If a rail runs slightly out of spec, fit can vary, so stick with quality 1913 rails for the best hold.
Magpul stress-tested the RSA to withstand over 300 pounds of force. That's far more than a slung, loaded rifle will ever put on it, so it's not a part you'll have to worry about giving out under real-world use.
No, the low-profile design is one of its biggest strengths. It sits close to the rail so it won't crowd your optic or block controls, and the shape helps keep the sling from snagging on gear. Many owners mount it just behind the support hand to keep the sling clear of where they grip.
| UPC | 873750005249 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MAG502-BLK |
| Action | |
| Model | |
| Product Type | Sling Mount |
| Color | Black |
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