Description
The GrovTec Limited Rotation Push Button Bases (GTHM279) give you a clean, secure way to add a quick-detach sling point to just about any wood or synthetic stock rifle. Machined from steel and sold as a pair, each base threads directly into the stock and accepts any GrovTec push button swivel, so you can build out a setup that fits how you carry and shoot. The big draw here is the limited rotation design, which caps movement at around 15 degrees. That little bit of play lets the sling settle naturally against your body while stopping it from spinning and tangling the way a full-rotation base sometimes will.
What Sets the GTHM279 Limited Rotation Bases Apart
These use a 9/16-18 thread that screws into the stock, giving you a strong, repeatable anchor point instead of relying on a factory stud. The steel construction means they can take abuse from a loaded rifle, a bipod, or a heavy tactical sling without flexing or stripping out. Folks who have run these report they stay put once installed and that the alignment notch makes seating the base straight a lot easier.
Installing Your GrovTec Push Button Bases
Installation is straightforward but does take a little work. You will drill and tap the stock for the threaded base, and plenty of people like to run a thread locker or epoxy to lock everything down for good. If you are not comfortable working on your stock, a gunsmith can knock this out quickly. Once they are in, swapping a sling on and off is as simple as pressing the button.
Who Reaches for These
Hunters, range rifles, and tactical builds all benefit from the GrovTec limited rotation bases. If you have ever fought a sling that keeps corkscrewing on your shoulder, this is the fix. Pair them with GrovTec push button swivels and you have got a fast, no-fuss carry system that holds up trip after trip.
Key Specifications
- Manufacturer: GrovTec
- Manufacturer Part Number: GTHM279
- UPC: 811071012799
- Product Type: Push Button Sling Swivel Base / Adaptor
- Rotation: Limited (approximately 15 degrees)
- Material: Steel
- Finish: Black
- Thread: 9/16-18
- Compatibility: Accepts any GrovTec push button swivel
- Stock Fit: Wood or synthetic stocks
- Quantity: 2-Pack
What’s Included
- 2 GrovTec Limited Rotation Push Button Bases
Frequently Asked Questions
What does limited rotation mean on the GTHM279 bases?
Limited rotation means the swivel is allowed to pivot only about 15 degrees rather than spinning freely. That small amount of movement lets the sling sit comfortably against your body while preventing it from twisting and tangling. It is the middle ground between a full-rotation base and a fully locked, non-rotating one.
What swivels work with the GrovTec Limited Rotation Push Button Bases?
These bases accept any GrovTec push button swivel, so you can match them to the sling setup you already run. Just press the button to attach or remove the swivel. They are designed as a system, so sticking with GrovTec push button swivels gives you the best fit.
How do the GTHM279 bases install into a stock?
They use a 9/16-18 thread that screws directly into a wood or synthetic stock after you drill and tap for them. Many people add a thread locker or epoxy to keep everything locked in permanently. If you would rather not work on your stock yourself, a gunsmith can handle the install quickly.
How many bases come in the package?
The GTHM279 comes as a 2-pack, which gives you both a front and rear attachment point for a single rifle. If you are outfitting multiple rifles you will want a set for each one.




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