cfgAmmo class Default has:
tracerColor[]={0.7,0.7,0.5,0.04};
tracerColorR[]={0.7,0.7,0.5,0.04};
class BulletSingle inherits from default.
class BulletSingleW has:
tracerColor[]={0.8,0.5,0.1,0.04};
tracerColorR[]={0,0,0,0.005};
and Class BulletSingleE has:
tracerColor[]={0.2,0.8,0.1,0.04};
tracerColorR[]={0,0,0,0.005};
Planck