SIG Sauer MCX/MPX/PCB Folding Pistol Brace – Coyote Tan 1913

Description

SIG built this one for folks running an MPX or MCX pistol who want more control without over-complicating things. It clamps onto the receiver's 1913 rail interface, so if your SIG platform is set up for a 1913 mount, this drops right in and gives you a steadier hold when you're working targets one-handed. The Coyote Tan finish plays nice with FDE and earth-tone builds, and the molded polymer construction keeps it tough without adding a bunch of weight.

How the MCX/MPX Folding Brace Handles Real Range Time

The forearm strap is the part that earns its keep. Cinch it down and you get a noticeably more planted feel when you're shooting, which matters on a snappy little pistol platform like the MPX. It's a fixed-length design rather than telescoping, so there's no adjustment fiddling to worry about. You mount it, strap in, and go. Owners who run it on the MPX consistently mention how much more comfortable and controllable the gun feels once it's on.

Why the Locking Hinge on This SIG Brace Matters

A lot of folding braces have a habit of flopping around once they're deployed. SIG addressed that with a steel locking hinge that snaps the brace tight against the receiver when folded for storage, then locks solid when you swing it out to use it. No slop, no wobble mid-string. Folded up, the whole package gets compact enough to make transport and storage a lot easier, which is a big part of why people go the folding route in the first place.

Fit and Installation Notes for the MCX/MPX/PCB Kit

This is a genuine SIG Sauer factory PCB kit, not an aftermarket copy, so the fit and finish match what came on the gun. It's built for the SIG MCX, MCX-SPEAR, MCX-SPEAR LT, and MPX families running the 1913 interface. Installation is straightforward for anyone comfortable working on their own gear, though SIG recommends having a qualified gunsmith handle the swap if you'd rather leave it to a pro.