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A handstop is one of those small upgrades that makes a bigger difference than you'd expect. Instead of your support hand drifting around the handguard shot to shot, it gives you a hard reference point that keeps your grip consistent and your hand safely behind the muzzle. Sig built this kit for the M400 Tread, but the beauty of M-LOK is that it drops onto pretty much any M-LOK handguard out there, including AR-15 builds and MPX rails.
Sig doesn't make you choose between a short stop or a long one, you get both in the box. The short handstop is a low-profile nub for a light hand reference, and the long version gives you more surface to load into or catch on a barricade edge. Swap between them depending on how you shoot or what the day calls for. All the M-LOK connectors and mounting hardware come along too, so it's a bolt-on job with a basic hex key and no trips to the hardware store.
The stops are molded from high-strength polymer, which keeps weight down and won't chew up your hands like some aggressive aluminum options can. That polymer build also means it matches the look and feel of the factory Tread furniture if you're keeping things cohesive. For anyone shooting off cover or trying to build repeatable positions, a handstop doubles as a barricade stop, giving you something to pull against for a steadier hold.
It's an easy add for new AR owners who want better handling and a smart pick for experienced folks who like their gear from the factory. Being a genuine Sig Sauer part, fitment and finish are exactly what you'd want, and it plays nice with more than just the rifle it was designed for.
Yes. While Sig designed it as a factory part for the M400 Tread, the M-LOK attachment means it mounts to any M-LOK compatible handguard. Owners regularly run it on AR-15 builds and even the Sig MPX with good results.
You get both a short and a long handstop so you can set up your forward grip exactly how you like it. The short stop is a subtle hand reference, while the long one gives more surface for loading into a barricade or bracing your position. Just install whichever suits your shooting style.
For most people, yes. The kit includes the M-LOK connectors and all the mounting hardware, so you only need a basic hex key to attach it to your rail. Position it where your support hand naturally sits, snug the hardware down, and you're set.
It's molded from high-strength polymer, which keeps it lightweight and comfortable on the hands. The black finish is designed to match the look of factory Tread furniture for a clean, cohesive build.
| UPC | 798681598854 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KIT-TRD-GRIP-HANDSTOP-BLK |
| Color | Black |
| Model | |
| Product Type | Hand Stop |
| Shipping Weight | 0.21 |
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