SIG SAUER factory minimalist folding stock installs easily on your MCX/MPX via the receiver”s 1913/picatinny interface. This is the same stock that ships on Sig Sauer Rattler rifle.
Sig Sauer Minimilist Mini Folding Stock, Fits MCX/MPX/Rear 1913 Interface, Black STOCK-X-FOLD-MINI-BLK
