Ars asked Wilson if CNC milling an AR-15 had gotten any easier since 2015, when Greenberg called it "absurdly easy" with a Ghost Gunner. "A little easier," he wrote. "Not substantially.

CNC TECHNICIAN: Government Contractor needs a person Full time, Set up, program, operate CNC Machines. Work with variety of metals.

CNC machining is nothing like it. Trent Ohren: They’re in more of the automotive, so going to the bar right after they get out of work, as opposed to when I do, it’s night and day difference.

CNC machining represents a significant leap forward in manufacturing efficiency and precision, but it requires substantial investment in equipment, software, and skilled personnel.

Goliath CNC is currently available for pre-order, with a limited number available for $1,750. Shipping is set to take place in September 2018.