SB TACT SIG MCX/MPX PSTL BRACE 3 POS

The MPX PSB is an innovative, 3-position adjustable Pistol Stabilizing Brace dimensioned to fit the receiver cuts of the SIG SAUER SIG MPX and SIG MCX. Ships as a complete assembly, ready-to-install. MCX Installation: Not compatible with the SIG MCX Stock Adapter Kit. You must have a genuine SIG MCX LOWER RECEIVER for compatibility.