In the January 2024 issue of Peace Combat Magazine, they feature the customised SIG Air MPX-K as done by X-Bone... "X-Bone Airsoft is proud to present its Custom Gun Gallery, featuring the SIG AIR MPX-K. This time around, the ultra-light and compact SIG AIR MPX-K has undergone customization by X-Bone Airsoft, a company renowned for its 50m headshot tune.