Why is the AMX 10P chambered in 6.3mm while the Sub-1/II is chambered in 5.3mm? For better mobility, a higher rate of fire, and the same ammunition. The AMX 10P is only slightly more armored, but a 12.7mm round will destroy you in any case. so amx 10p 5.3 maybe for a logical tank
The Sub I-II is simply better. Better mobility, better rate of fire, better muzzle elevation and depression, even though it has a BR of 5.3 compared to the AMX 10P, which is much worse at a BR of 6.3.
Are you talking about their battlerating rather than caliber per chance?