AMMO by MIG Pigments - Fine Pigment Powders for Modelling
Color: Gunmetal

From the Manufacturer:

High quality Pigment, superfine and made from natural products for exclusive use in modeling. This color is specially designed to make effects in your models using the techniques that Mig Jimenez created for more than a decade. This gun metal color is very special because you have to apply it on a surface and then rub it with your finger or a soft tool to get the brightness of polished metal.