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The SB Tactical FS1913 is one of the go-to answers for large-format pistols that terminate in a rear Picatinny rail. It folds cleanly to the left side so your gun tucks down into a bag or safe without a bulky profile, then pulls back through and snaps into a positive lock the moment you need it extended. Weighing in around 10 ounces with a 9.6-inch overall length, it adds real stability without turning your build into a boat anchor.
The heart of this brace is an advanced steel hinge that locks in both the folded and extended positions, so it stays put no matter how you're carrying or running the gun. The pull-through deployment is quick and intuitive once you get the motion down, and the lightweight polymer strut keeps weight low while holding up to regular range use. An adjustable nylon strap wraps around your forearm for that extra point of contact, which translates to steadier handling and better control on shorter-barreled hosts.
Compatibility is the big draw here. If your platform ends in an M1913 (Picatinny) interface at the rear of the receiver, this brace is designed to fit. That covers popular builds like the SIG MPX, SIG MCX, SIG Rattler, and the Rock River LAR-PDS, along with plenty of other pistol-caliber and rear-rail setups. It ships as a complete, ready-to-install assembly, so there's no hunting for extra hardware to get it mounted.
SB Tactical is a US veteran-founded company and every brace is made in the USA. A quick note from the field: some folks find the hinge a touch stiff right out of the box, but it tends to break in and loosen up nicely after the first day of use. If you want a low-profile folding brace that keeps your sight line clean and your handling honest, the FS1913 earns its spot.
The FS1913 fits any platform that ends in an M1913 (Picatinny) interface at the rear of the receiver. That includes popular hosts like the SIG MPX, SIG MCX, SIG Rattler, and Rock River LAR-PDS, plus many other rear-rail pistol builds. If your gun terminates in a rear Picatinny rail, this brace is built to drop on.
Yes. It ships as a complete, ready-to-install assembly with the adjustable nylon strap already included. You mount it directly to the rear M1913 rail on your host, so there's no extra hardware to source separately.
It folds to the left side of the receiver by design, keeping a tight low-profile shape against the gun. Some users note it can be reversed to fold right depending on the platform. The steel hinge locks in both the folded and extended positions to hold it steady.
A few folks mention the hinge feels a little tight straight out of the box. In practice it tends to break in and loosen up after the first day of use, then operates smoothly. That firm initial feel is part of what gives it a solid lock-up.
| UPC | 699618782813 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FS1913-01-SB |
| Color | Black |
| Length | 11.2500 |
| Model | |
| Model Fit | Rock River LAR-POS |
| Product Type | Pistol Stabilizing Brace |
| Shipping Weight | 0.85 |
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