This rigidity combined with the shut-loop spindle Regulate also permits GG3-S to chop more challenging steels, which include stainless (website link to turner's dice) and in many cases Software steels. This entire body kit comes regular on Just about every GG3-S; present GG3 devices are eligible for an enhance software. https://ghostgunsofficial.com/product-category/gg-purchase-product/