SB Tactical MPX PSB Pistol Stabilizing Brace — SIG MPX / SIG MCX

Overview

The MPX PSB is a 3-position adjustable Pistol Stabilizing Brace built for the receiver cuts of SIG MPX and SIG MCX pistols. It ships as a complete assembly ready for installation and includes an M1913 adjustable housing.

Key Features

• Three adjustable positions: collapsed, mid, fully extended
• Dual compatibility with SIG MPX and SIG MCX platforms
• Integral M1913 adjustable housing for installer flexibility
• Adjustable nylon strap for secure arm contact

Specifications

• Fit: SIG MPX / SIG MCX
• Width (max): 57 mm
• Length: 98 mm collapsed; 152 mm mid; 210 mm fully extended
• Strap width: 25 mm
• Weight: 541 g

Usage Notes

Ships ready to install. Not compatible with SIG MCX Stock Adapter Kit. Requires genuine SIG MCX lower receiver for fit. Adds stabilization without permanent modification to the receiver.