This rigidity combined with the closed-loop spindle Regulate also allows GG3-S to cut more difficult steels, including stainless (backlink to turner's dice) and perhaps tool steels. This entire body kit comes common on Just about every GG3-S; present GG3 devices are eligible for an enhance system. PLEASE Observe: 80% lowers, https://ghostgunsofficial.com/product-category/ghost-gunner/