Sig Sauer factory replacement collapsible stock assembly installs easily on your MCX, MPX or other platforms with a receiver mounted 1913 rail interface. This stock assembly gives you the ability to install standard AR-15/M4 type buttstocks on your MCX/MPX via the mil-spec diameter extension tube. Includes a Sig adjustable buttsotck.
Sig Sauer, Side Folding Stock Fits MCX/MPX, Accepts All Standard AR Style Stocks, Black
