The GrovTec Magazine Cap Set (brand part number GTSW298) replaces the factory magazine cap on a 12 gauge Mossberg 590 or 835 and adds a sling attachment point in the process. Machined from black oxide steel, the cap accepts any GrovTec push-button swivel, twist-lock swivel, or the GrovTec multi-adaptor, giving you room to change sling hardware later without buying a new cap. The set ships complete with a standard 1 inch GT push-button swivel already installed, so it’s ready to sling up as soon as it’s threaded onto the magazine tube.

Key Specifications

• Direct fit for the 12 gauge Mossberg 590 and 835.
• Machined from black oxide steel.
• Replaces the factory magazine cap while adding a sling attachment point.
• Compatible with GrovTec push-button, twist-lock, and multi-adaptor swivel systems.
• Ships with a 1 inch GT push-button swivel included.
• Sold as a complete mag cap and swivel set.

Frequently Asked Questions

Does this include a sling swivel? Yes, a standard 1 inch GT push-button swivel is included in the set.

Will this fit my Mossberg 590 or 835? Yes, it’s a direct fit for both the 12 gauge Mossberg 590 and 835.

Can I switch to a different swivel later? Yes, the cap accepts other GrovTec push-button, twist-lock, or multi-adaptor swivels.

Buy the GrovTec Magazine Cap Set with Push-Button Swivel for Mossberg 590/835 – 12 Gauge

Add a sling attachment point to your Mossberg 590 or 835 without any gunsmithing. Order it from our GrovTec lineup, part of our gun accessories and parts selection, at our Lubbock, Texas gun shop for fast, direct shipping.