Description
The Magpul MS1 MS3 Adapter converts the MS1 sling into a convertible one-point or two-point sling using Paraclip hardware. The polymer D-ring gives a secure front coupling for the Paraclip, the heavy-duty steel Paraclips are case-hardened with a QPQ salt-bath nitrided finish, and a Cross-Bolt Lock Bar can lock the lever if wanted. At the rear it works with the Magpul ASAP, SGA receiver sling mounts, snap-hook style loops of at least 3/8 in inner diameter and QD sling swivels; at the front it pairs with the Magpul RSA, MSA and Forward Sling Mounts, snap-hook loops and standard or QD swivels for two-point use. Webbing is 1.25 in nylon with Near Infrared (NIR) treatment. Made in the USA and 100 % Berry Amendment compliant.
Key features
- Converts the MS1 sling to a convertible one-point / two-point configuration
- Polymer D-ring for secure front Paraclip coupling
- Heavy-duty steel Paraclips, case-hardened, QPQ salt-bath nitrided
- Cross-Bolt Lock Bar for optional lever security
- Rear: Magpul ASAP, SGA receiver sling mounts, snap-hook loops (3/8 in min. ID), QD swivels; front: RSA, MSA, Forward Sling Mounts, loops, standard or QD swivels
- 1.25 in nylon webbing, NIR treated; Magpul code MAG516-BLK (NSN 1005-01-656-1481)
- Made in the USA, 100 % Berry Amendment compliant
Frequently asked questions
Do I need an MS1 sling to use this adapter?
Yes — MAG516 is an add-on that converts the MS1 sling; it is not a complete sling.
What is the difference between MAG516 and MAG517?
MAG516 uses Paraclip hardware; the MS1 MS3 QD Adapter (MAG517) uses push-button QD swivels instead.
What rear mounts does it work with?
Magpul lists the ASAP, SGA receiver sling mounts, snap-hook style loops of 3/8 in or larger inner diameter, and QD sling swivels.
Specifications from Magpul (magpul.com).
Firearm parts and accessories are supplied by 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD. Check your state’s firearm-parts and magazine rules before ordering.







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