MX 6.5 mm

 is a weapon in Project Argo.

Summary
The MX is a 6.5 mm assault rifle used as a standard-issue weapon for the BLUFOR army. It is lightweight, reliable, easily serviceable and compatible with a large number of accessories. Several variants of the MX rifle exist: MX 3GL is equipped with a 3GL grenade launcher. MXM is a designated marksman rifle for engaging targets from a larger distance compared to assault rifles. MX SW is a light support weapon providing light machinegun support. And finally MXC is a carbine version with shorter barrel, better suited for close quarters combat.