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GoA has high tech (concord), mid tech (Algoryn) and tribal (Freeborn), all in plastic.
Unlike most multipart figures, the arms are integral to the torso (a figure comprises legs, torso and arms, head and a weapon). This limits the poses available. There is no specific leader body, nor are there specific arms for the optional weapons.
That is sad. The regiments range is good, but not consistent. The heads could do with being a tad smaller and less spherical in some cases.