Sig Sauer MCX/MPX Minimalist Folding Stock Features The Sig Sauer MCX/MPX Minimalist Folding Stock mounts directly to the Picatinny interface on the receiver giving MCX and MPX owners a factory-matched folding option that installs in minutes with no gunsmithing required. Its aluminum construction keeps the stock light while standing up to the folding and locking cycles that a duty or range gun sees over time. At just 9 overall length and 3.5 overall height it collapses the rifle s footprint considerably compared to a fixed or telescoping stock which matters for storage in a safe case or vehicle. The locking mechanism holds the stock securely in the folded position so it will not flop open under recoil or during transport. The 0.9 buttpad is slightly narrower than Sig s Minimalist Plus stock trading a touch of cheek support for an even more compact folded profile. That tradeoff suits shooters who prioritize a minimal package over maximum comfort such as those running the MCX-Spear LT or MPX in a truck gun or home defense role. Because it carries the Sig Sauer name fit and finish match the rest of the factory furniture on these platforms with no modification to the receiver needed. Buyers should confirm their local laws before adding a folding stock since many states and localities regulate collapsible and folding stock configurations. Sig Sauer MCX/MPX Minimalist Folding Stock Specifications Manufacturer: Sig Sauer Model: MCX/MPX Minimalist Folding Stock Compatible Hosts: Sig MCX Sig MCX Spear Sig MCX Spear LT Sig MPX Color: Black Material: Aluminum Style: Folding Mounting Interface: Picatinny / 1913 Overall Length: 9 Overall Height: 3.5 Buttpad Width: 0.9 Butt Pad: Rubber Available At: GrabAGun