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.
Features:
Black finish
Side folding stock for MCX/MPX
Accepts all standard /AR style stocks
Features:
Black finish
Side folding stock for MCX/MPX
Accepts all standard /AR style stocks