Description
The GrovTec GTSW01 is the pair of 1-inch locking swivels a lot of folks reach for when it's time to hang a sling on a rifle or shotgun. Machined from solid steel and finished in black oxide, these are built to shrug off years of hunts, range days, and back-of-the-truck abuse without loosening up on you. GrovTec makes these right here in the USA, and it shows in the tight tolerances and clean fit you get right out of the package.
What Makes the GTSW01 Lock Up Tight
The big selling point here is the locking design. Each swivel uses multiple locking points paired with an ergonomic steel thumbscrew, so once you cinch it down, the swivel isn't wandering open on its own. That matters when you're carrying a loaded rifle up a ridge or swinging it around a blind. No sudden pop-open, no dropped firearm.
A Free-Spin Sleeve That Keeps Things Quiet
The newer design adds a free-spin sleeve, which does two things worth caring about. It lets the sling rotate smoothly instead of binding up, and it cuts down on the metal-on-metal clink that spooks game at the worst possible moment. For hunters who've had a noisy swivel give away their position, that quiet operation is a real upgrade.
Fit and Compatibility
These take a 1-inch sling loop and thread onto any standard sling swivel stud, so they'll bolt right onto the vast majority of hunting rifles and shotguns that come drilled and tapped from the factory. If your gun already has studs, this set is basically plug-and-play. Sold as a matched pair, you've got both the front and rear covered in one package. It's earned its reputation as GrovTec's most popular swivel set for good reason, with owners regularly praising the smooth machine work and the fact that they hold like they should.
Key Specifications
- Manufacturer: GrovTec
- Manufacturer Part Number: GTSW01
- UPC: 895474001017
- Loop Size: 1 inch
- Construction: All-steel
- Finish: Black Oxide
- Color: Black
- Locking System: Multiple locking points with steel thumbscrew
- Sleeve: Ergonomic free-spin
- Compatibility: Fits any standard sling swivel stud
- Style: Rifle Swivels
- Quantity: 2-count set (pair)
- Country of Origin: Made in the USA
What’s Included
- 2 GrovTec GTSW01 1-inch locking sling swivels (one matched pair)
Frequently Asked Questions
What size sling do the GrovTec GTSW01 swivels work with?
The GTSW01 set is built for 1-inch slings, which is the most common width for hunting rifle and shotgun slings. The swivel loop measures a full inch across, so any standard 1-inch sling will thread right through. If your sling is 1-1/4 inch, you'll want GrovTec's GTSW02 instead.
Will these locking swivels fit my rifle's studs?
Yes, the GTSW01 threads onto any standard sling swivel stud, which is the type found on the majority of factory hunting rifles and shotguns. As long as your gun already has studs installed, these are essentially plug-and-play. No extra hardware or gunsmithing needed for a standard setup.
How does the locking mechanism actually work?
Each swivel has multiple locking points combined with a steel thumbscrew you tighten by hand. Once you snug it down, the swivel gate stays closed and won't pop open on its own while you're carrying the firearm. It's a simple, reliable system that adds real peace of mind over a basic non-locking swivel.
Are the GrovTec GTSW01 swivels quiet in the field?
They're designed with a free-spin sleeve that lets the sling rotate smoothly and cuts down on the metal-on-metal rattle that can give your position away. Hunters consistently point to that quiet operation as a standout feature. It's one of the reasons this ended up being GrovTec's most popular swivel set.





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