En airsoft la mancha ties bios de G&G en color marrón
En Ironfoot o Begadi tienes bios de color verde o negro de varias marcas, lo que no se es si begadi sirve a españa o tenia un distribuidor oficial en España...
PHX compostable made in Tywan on our test of these BBs we found them very rough and poorly finished with visible surface defects and in our opinion they are only suitable for the lower end of the market where they provide a low cost Bio BB solution. Leaves some inert residue. These may improve in build quality in the future .Approximate construction materialsStarch ( based polymer ? ) 15 - 25 %Mineral Powder ( Barium ? )65 - 75 %Other ( not listed ) approx 10 %Additives ( not listed ) approx 3 phr (?) PHX are available in white, olive green and black 0.2 & 0.25