Description
M-LOK handguards are great for keeping a rifle light and slim, but sooner or later you run into an accessory that only speaks Picatinny. That is exactly where this GrovTec section earns its keep. It bolts straight to your M-LOK slots and gives you five slots of standard MIL-STD 1913 rail to work with, so you can add a light, laser, sight, or just about any Pic-mount accessory you already own. What sets this particular model apart from GrovTec's other rail sections is the pair of QD push button bases machined right into it, letting you run a rail and a sling attachment point off the same piece of hardware.
What the GrovTec GTSW241 Rail Brings to Your Build
The rail is precision CNC machined from lightweight, solid aluminum and finished with a Type III black hardcoat anodize, which is the same kind of durable coating you find on quality AR components. It measures 3.1 inches long, so it takes up minimal real estate on the handguard while still giving you enough rail to mount full-length or offset accessories. Because it uses the true 1913 spec, your gear clamps down where it should and holds zero the way you expect.
Built-In QD Sling Points on the GTSW241
The two integrated push button bases accept standard GrovTec QD sling swivels, so you can set up a single or two-point sling without adding a separate swivel mount somewhere else on the gun. It is a clean way to save space and keep the profile tight, which is a big deal on lightweight AR-15 and modern sporting rifle setups where every ounce and every slot counts.
Getting the GrovTec Rail Mounted
Installation is straightforward. The rail comes with the mounting hardware and an Allen key, so you can get it locked onto your M-LOK forearm without a trip to the parts bin. GrovTec is an American-made brand that backs its gear with a lifetime warranty, and this rail is a smart, budget-friendly pick for anyone who wants Picatinny compatibility and sling flexibility in one compact package.
Key Specifications
- Manufacturer: GrovTec
- Manufacturer Part Number: GTSW241
- Model: 3.1 Inch 5 Slot with Push Button Bases M-LOK
- UPC: 811071012416
- Product Type: Picatinny Rail Section
- Attachment System: M-LOK
- Rail Spec: MIL-STD 1913 Picatinny
- Slots: 5
- Length: 3.1 in
- Material: CNC Machined Aluminum
- Finish: Type III Black Hardcoat Anodized
- Sling Feature: Two Integrated QD Push Button Bases
- Color: Black
- Country of Origin: Made in USA
What’s Included
- GrovTec M-LOK Picatinny rail section (3.1", 5 slot)
- Two integrated QD push button bases
- Mounting hardware
- Allen key
Frequently Asked Questions
Will this GrovTec rail fit any M-LOK handguard?
Yes, it is machined to attach to standard M-LOK slots, so it works with M-LOK forearms and handguards on AR-15s and other modern sporting rifles. The included hardware clamps it down through the M-LOK slots. Just make sure you have enough open slot length to seat the 3.1-inch section where you want it.
What accessories can I mount on the GTSW241?
It uses the MIL-STD 1913 Picatinny pattern, so it accepts a wide range of Pic-mount gear like lights, lasers, sights, and optics. If your accessory has a standard Picatinny clamp or throw lever, it will fit here. That covers the vast majority of rail accessories on the market.
Does this rail come with the QD sling swivels?
The rail includes two integrated QD push button bases but not the swivels themselves. It accepts standard GrovTec QD sling swivels, which you would add separately based on your sling. This lets you pick the swivel that matches your setup.
Is the GrovTec M-LOK Picatinny rail durable?
It is CNC machined from solid aluminum and finished with a Type III black hardcoat anodize, which is a hard-wearing coating built to handle regular use and the elements. GrovTec is an American-made brand that backs its products with a lifetime warranty. For a compact rail section, it is built to last.





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