Sig Sauer MCX/MPX Folding Knuckle Stock Adapter 1913 Picatinny Interface Black

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Sig Sauer ADAPTERXFOLD MCX/MPX Folding Knuckle Stock Adapter 1913 Picatinny Interface Black for Stabilizing Brace

SIG SAUER fold adapter gives shooters the ability to install the proper stabilizing brace on your MPX pistol and gives the ability to fold the brace assembly.