Foldable stock, for any Buttstock with 1913 20mm Picatinny Rail. like the SIG AIR MCX AEG Series, it is a very lightweight stock made by Aluminium. Also, there is an adapter that is compatible with any 20mm Picatinny rail

The Buttstock can fold up.

Specification:

• Color: Black
• Material: Aluminium
• Weight: 320g
• Length: 210mm x 
• Compatibility: 20mm Picatinny Rail System