- Factory Sig Sauer stock assembly
- Folds for compact storage
- Rugged polymer construction
- Ergonomic design
- Allows you the ability to install standard AR-15 type stocks
Sig Sauer factory replacement M4 stock installs easily on your MCX/MPX via the receivers 1913 interface. This stock option gives you the ability to install standard AR-15 type buttstocks on your MCX/MPX. Stock is available in black.
Note: Magazine holder is removable but does not accommodate MPX magazines.
Fit: Sig MPX, MCX
Finish: Matte Black