1. Pick up an MXM
2. Reload weapon with 20rnd. 7.62 mag.
3. Set your textures to Ultra
4. Use 3rd person controls to zoom in on the MXM
5. Observe what is written on the Ejection Cover
6. Compare the look of the magazine to the 6.5 30rnd. STANAG mag vs. 20rnd. 7.62 mag.