


Magpul RSA® - Rail Sling Attachment
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Magpul RSA® - Rail Sling AttachmentThe RSA provides a low profile forward sling attachment point for the Magpul MS3 or MS4 and other clip in systems. Made from QPQ salt bath nitrided steel for wear and corrosion resistance, the RSA attaches to any 1913 Picatinny rail. It has has passed stress tests of over 300 pounds while weighing in at a mere 1. 3 ounces.
Quick Dispatch:
Your Magpul RSA® - Rail Sling Attachment orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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★★★★★ 4
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I LOVE IT. omg exactly what I was looking for. Easy to set up. The only issue is you have to bend over/kneel to set it up and in the process I got an upset stomach, which is why deducted one star. So if you have bowel issues like me, you might want to consider that with this product.
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Reviewed in the United States on February 3, 2026
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Sturdy, worked well
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Solid as described
Value for money and easy installation
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Reviewed in the United States on October 4, 2025
★★★★★ 5
Great choice to save space
Color: Black, Color: Black
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Reviewed in the United States on March 26, 2026