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Getting a sling onto a Mossberg 590 or 835 usually means clamps, drilling, or fiddling with add-on hardware. The GrovTec GTSW298 skips all of that. It's a direct replacement magazine cap that threads on right where your factory cap sits, giving you a clean quick-detach mount point without touching the magazine tube or spring. If you've been running your pump gun without a proper carry solution, this is about as simple as an upgrade gets.
The cap is machined from steel and wears a black oxide finish, so it blends in with the factory look while holding up to weather and handling. The set ships with the mag cap plus a standard 1-inch GT Push Button swivel, and the recessed socket accepts more than just that one swivel. It works with GrovTec Push Button swivels, GT Twist Lock swivels, and the GT Multi-Adaptor, so you can adapt your sling setup down the road if your needs change.
Installation is genuinely a two-minute job. You unthread the factory cap, thread on the GrovTec unit in its place, and it keeps the magazine spring retained just like the original. Then you clip your sling to the included push button swivel and press it into the socket on the cap until it clicks. No tools, no gunsmith, no permanent changes to the gun.
This one is a favorite among folks running 590 Shockwave builds and standard 590/835 pump guns alike. Pair it with a dual QD sling and you can switch between single-point and two-point carry in seconds, which is exactly why people who want a hands-free option in the field or a faster transition reach for it. It's a small, inexpensive part that solves a real problem, and it's made in the USA to boot.
Yes, this set is built specifically for 12 gauge Mossberg 590 and 835 shotguns. It replaces the factory magazine cap directly, so it threads onto the same spot without modifications. Many owners also use it successfully on 590 Shockwave builds.
No tools or gunsmithing are required. You simply unthread the factory cap and thread the GrovTec cap on in its place, and it retains the magazine spring just like the original. The whole swap takes a couple of minutes.
The cap's socket accepts any GrovTec push button swivel, GT Twist Lock swivels, or the GT Multi-Adaptor, so you're not locked into a single setup. Pairing it with a dual QD sling lets you switch between single-point and two-point carry in seconds. That flexibility is a big reason people pick this cap over a fixed stud.
It's a true quick-detach push button swivel. You press the button to release it from the cap and press it back in until it clicks to lock it, so you can pull the sling off entirely when you don't need it. That makes it easy to go from slung to bare gun and back.
| UPC | 811071012980 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GTSW298 |
| Color | Black |
| Product Type | Mag/Cap Swivel Set |
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