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Ghost Gunner

Ghost Gunner 2

An open source hardware project

Ghost Gunner is a general purpose CNC mill, built upon a large body of open source work, grbl g-code motion control, and popular microcontrollers.

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For 80 percent receivers and frames

No prior CNC experience required

Ghost Gunner is specially designed to manufacture a growing library of mil-spec 80 percent lowers to completion. With simple tools and point and click software, the machine automatically finds and aligns to your 80% lower to get to work. No prior CNC knowledge or experience is required to manufacture from design files. Legally manufacture unserialized rifles and pistols in the comfort and privacy of home.

The Authority

Download the 2017 Ghost Gunner's guide to 80 percent firearms. Included is the latest information on the craft and legal environment, made for beginners and seasoned professionals alike.

True CNC

Ghost Gunner is built from rigid plasma-cut A36 steel and 304 stainless steel. The machine part count is greatly reduced compared to traditional CNC machines, which both increases rigidity and decreases cost.

GG2 employs a horizontal milling format, a 10,000 rpm ER-11 collet unibody machined spindle and has a machinable area of 8.25″ x 2.95″ x 2.35″, optimized for machining AR-15 and AR-308 receivers.

No registration or serialization required

Due to Federal regulatory overreach, Ghost Gunner is now the only affordable CNC solution for privately finishing your 80% lower receivers. The first of its kind.

Programmable, Personal

Beyond files of our own .DD format, Ghost Gunner is meant to accept TinyG code from any CAM program. The platform is open and the plans and files will be disclosed to the public domain.

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