Description
The Magpul Forward Sling Mount (MAG508) is a sling attachment point for the Remington 870 and Mossberg 500, 590 and Maverick 88 shotguns. It clamps to both the barrel and an extended magazine tube, and can be set up either as a clip-in loop for Paraclip, HK hook or ITW MASH hook attachments or as a push-button QD socket for swivels such as the Magpul QDM. It is precision cast from case-hardened steel with a Melonite QPQ nitride finish and made in the USA. Not compatible with the Mossberg 590A1, which uses Magpul’s MAG493.
Key features
- Fits Remington 870 and Mossberg 500/590/Maverick 88 with extended magazine tube
- Clamps to barrel and magazine tube; no gunsmithing
- Configurable as clip-in loop (Paraclip, HK hook, ITW MASH) or push-button QD socket
- Accepts the Magpul QDM quick-disconnect swivel
- Case-hardened precision-cast steel, Melonite QPQ nitride finish
- Not for Mossberg 590A1 (use MAG493)
- Made in the USA
Frequently asked questions
Does it need an extended magazine tube?
Yes. The mount clamps around both the barrel and an extended magazine tube.
Will it fit a Mossberg 590A1?
No. Magpul makes a separate mount (MAG493) for the 590A1’s heavier barrel.
Which sling attachments does it take?
Either a push-button QD swivel in the socket configuration or a Paraclip, HK hook or MASH hook in the loop configuration.






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