Description
Slings are only as good as what holds them to the gun, and the FAB Defense FXSLS Quick Detach Swivel is a solid answer for anyone running a QD setup. It's a push-button swivel machined from steel, built to lock into a FAB Defense QD port and stay put until you decide otherwise. Push the button, drop it in, and it clicks home. When you want the sling off, one press of that flush button and it's free. Simple, and it just works.
What Makes the FXSLS Swivel Tick
The body is CNC-machined steel with a black finish, so it holds up to repeated attach-and-detach cycles without wallowing out or getting sloppy. The button sits flush, which is a nice touch since it cuts down on the odds of bumping it loose against gear or a range bench. It attaches to your sling through a swivel-clip-type strap, and the swivel action lets the sling rotate freely instead of binding up when you shoulder the rifle or shift it across your back. It's compatible with 1.25-inch slings, which covers most of the two-point and single-point setups people are already running.
Where the FAB Defense FXSLS Earns Its Keep
This little piece is at home on an AR-15, a precision rig, or just about anything with a compatible QD socket. Folks have run it on heavier setups like the Ruger Precision Rifle and reported it holds firm while still rotating smoothly, which tells you the steel is doing its job. The ambidextrous design means you're not locked into one side, so left-handed shooters and anyone who likes to swap sling positions get the same easy operation.
Small Part, Big Convenience
At roughly three-quarters of an ounce, the FXSLS adds almost nothing to your overall weight, and you'll barely notice it hanging off the gun until you need it. If you've already got FAB Defense QD ports on your build, this is a straightforward, no-drama way to round out your sling system.
Key Specifications
- Manufacturer: FAB Defense
- Manufacturer Part Number: FX-SLS
- UPC: 7290105941596
- Product Type: QD Sling Swivel
- Material: CNC-Machined Steel
- Finish: Black
- Attachment Method: Push-Button Quick Detach
- Sling Compatibility: 1.25-inch slings
- Mounting: Fits any FAB Defense QD port
- Operation: Ambidextrous, left or right side
- Weight: Approx. 0.85 oz (24 g)
- Length: 40 mm
- Width: 20 mm
- Height: 15 mm
What’s Included
- FAB Defense FXSLS Quick Detach Sling Swivel
Frequently Asked Questions
What does the FAB Defense FXSLS swivel mount to?
It mounts to any FAB Defense QD port. You simply push it into the socket until it locks in place, and it stays secure until you press the button to release it. That makes it a natural match for FAB Defense stocks and any build already fitted with a compatible QD port.
What size sling works with the FXSLS QD swivel?
The FXSLS is compatible with 1.25-inch slings and connects through a swivel-clip-type strap attachment. That width covers most common two-point and single-point sling setups, so odds are your current sling will pair right up with it.
Is the FAB Defense QD swivel ambidextrous?
Yes. The push-button design lets you run it on either the right or left side of your firearm with no change in how it operates. That flexibility is handy for left-handed shooters and anyone who likes to reposition their sling.
What is the FXSLS swivel made of and will it hold up?
It's built from CNC-machined steel with a black finish, so it takes repeated attaching and detaching without getting loose or worn out. Users have run it on heavier rifles and noted it holds firm while still rotating smoothly. The flush button also helps prevent accidental release against gear.





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