Hoffman's unique functions only in his structure of 3d printed lowers, and I modded the components to work inside a milspec decreased. OTOH, 3D milling equipment are Actually getting near to the cost of 3D printers and may take care of aluminum, no problem. Probably not keen on total auto https://forcedresettriggernet47891.mybuzzblog.com/13826620/forced-reset-trigger-for-dummies