The file 'Sig Sauer MCX / MPX – Virtus Handguard 7in RIS M-LOK 3D Printer Model' is (stl) file type, size is 498.6KB.
Sig Sauer MCX / MPX CO2 Pellet Rifle. 7" Handguard RIS M-LOK - Virtus.
Mounting with original screws.