Magpul RSA QD Rail and QD Swivel Kit


In stock

  • LOW PROFILE, UNOBTRUSIVE DESIGN – The RSA’s design is optimized for comfortable two-point sling use while maintaining easy push-button access
  • SECURE ATTACHMENT POINT – Provides a forward sling attachment point for the MS4 and other QD swing swivel systems
  • Made in the USA.
UPC: 873750008653 SKU: AIT337540 Category: Brand:

AIT Arms has come up with a convenient solution for your AR upgrade needs. We have combined the best of both Magpul products listed below into one easy kit available to you.

The Mag337 RSA QD Rail provides a forward attachment point for the Magpul MS4® Sling and other push-button QD slings. We have included the installation instructions if your not sure how to install this to your rail.

  • Made from corrosion resistant steel,
  • Mounts on 1913 Picatinny rail
  • Places the attachment point at an angle optimized for comfortable two-point sling use while maintaining easy push-button access.

The Mag540 Push-button quick-detach sling swivel for 1-1/4" webbing.

  • Compatible with QD sling attachment points.
  • Manganese-phosphate finished steel.
  • Combine with the MS1 Sling for a dedicated two-point sling, or with an MS1 MS4 Adapter for a two to one-point convertible sling.

Magpul products over $49 qualify for free shipping. If you have any questions feel free to contact us so that we can lend you our expertise in choosing the right Magpul product for you.

Export Notice

The Magpul RSA QD Rail and QD Swivel Kit is controlled for export by the Export Administration Regulations (EAR) under the Commerce Control List (CCL). These controls take the form of export regulations and license requirements.

As part of the express consideration provided for receipt of AIT Arms goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by AIT Arms in violation of U.S. law is prohibited.

Customers acquiring controlled goods, technical data and/or services from AIT Arms shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws.  (See AIT Arms Shipping Policy for more information).

Safety Notice

Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. AIT Arms shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.


Additional information

Weight 4 oz
Dimensions 6 × 6 × 1 in


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