Factory aluminum folding stock assembly for SIG Sauer MCX and MPX rifles. Includes buffer tube and Magpul SL-K stock. Mounts via Picatinny interface. Compact 9-inch overall length.
Fits: SIG Sauer MCX, SIG Sauer MPX
This factory-engineered folding stock assembly from SIG Sauer provides a compact, practical solution for shooters who value modularity and portability. Designed specifically for the MCX and MPX platform, it combines genuine SIG Sauer quality with proven Magpul ergonomics.
This assembly installs easily without gunsmithing. Simply attach to your MCX or MPX receiver's Picatinny rail interface. The included components are factory-matched for reliable performance.
Whether you're building a truck gun, preparing for tactical training, or simply want a more compact platform, this folding stock delivers practical functionality backed by SIG Sauer engineering.