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posted by janrinok on Wednesday February 25 2015, @04:56PM   Printer-friendly
from the it-could-be-used-to-make,-well,-anything! dept.

FedEx is refusing to ship Texas nonprofit Defense Distributed's computer controlled mill, the Ghost Gunner. The $1,500 tool can carve aluminum objects from digital designs, including AR-15 lower receivers from scratch or more quickly from legally obtainable "80 percent lowers".

When the machine was revealed last October, Defense Distributed's pre-orders sold out in 36 hours. But now FedEx tells WIRED it's too wary of the legal issues around homemade gunsmithing to ship the machine to customers. "This device is capable of manufacturing firearms, and potentially by private individuals," FedEx spokesperson Scott Fiedler wrote in a statement. "We are uncertain at this time whether this device is a regulated commodity by local, state or federal governments. As such, to ensure we comply with the applicable law and regulations, FedEx declined to ship this device until we know more about how it will be regulated."

But buying, selling, or using the Ghost Gunner isn't illegal, nor is owning an AR-15 without a serial number, says Adam Winkler, a law professor at UCLA and the author of Gunfight: The Battle over the Right to Bear Arms in America. "This is not that problematic," he says. "Federal law does not prohibit individuals from making their own firearms at home, and that includes AR-15s."

Defense Distributed's founder Cody Wilson argues that rather than a legal ambiguity, FedEx is instead facing up to the political gray area of enabling the sale of new, easily accessible tools that can make anything-including deadly weapons. "They're acting like this is legal when in fact it's the expression of a political preference," says Wilson. "The artifact that they're shipping is a CNC mill. There's nothing about it that is specifically related to firearms except the hocus pocus of the marketing." Wilson, whose radically libertarian group has pursued projects ranging from 3-D printed guns to untraceable cryptocurrency, says he chose to ship his Ghost Gunner machines with FedEx specifically because the company has a special NRA firearm industry membership. But when he told a local FedEx representative what he'd be shipping, he says the sales rep responded that he'd need to check with a superior. "This is no big deal, right? It's just a mill," Wilson says he told his FedEx contact. "You guys ship guns. You've shipped 3-D printers and mills, right? You'll ship a drill press, right? Same difference."

 
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  • (Score: 2) by richtopia on Wednesday February 25 2015, @08:44PM

    by richtopia (3160) on Wednesday February 25 2015, @08:44PM (#149681) Homepage Journal

    Shipping gunsmithing equipment aside, I cannot find any good information on the machine itself (limited searching while at work). It claims to be open source, and takes ER collets, but not much else is mentioned.

    Does anyone know:
    Motor type? Must be steppers in an open loop at this price
    Control software? I hope LinuxCNC
    Machining envelope? It looks just big enough for the lower receiver, not much more
    Spindle specifics?
    I assume no coolant.
    Workholding? Are there Tslots on the table?

    1500 is a decent price for a capable cnc mill, although this looks very single purpose.

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  • (Score: 4, Informative) by takyon on Wednesday February 25 2015, @09:28PM

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Wednesday February 25 2015, @09:28PM (#149710) Journal

    Here's what I could find:

    https://ghostgunner.net/ [ghostgunner.net]

    MACHINABLE DIMENSIONS:
    175 X 75 X 60MM (~6.75 X 2.95 X 2.35")

    MAXIMUM PART DIMENSIONS:
    230 X 90 X 100MM (~9.05 X 3.50 X 3.90")

    OVERALL FOOTPRINT:
    330 X 280MM (~13 X 11")

    WEIGHT:
    20KG (~45 POUNDS)

    SPINDLE SPEED:
    10,000+ RPM

    REQUIREMENTS:
    WINDOWS 7 OR HIGHER. MAC VERSION TBD

    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.

    I expect it will be easily usable with Linux.

    https://ghostgunner.net/faq.html [ghostgunner.net]

    GhostGunner uses industry standard ER-11 collets, and ships with both 1/4" and 5/32" collets. Changing end mills is a simple process and full instructions are included. FYI: 'drill bit' is an incorrect term to describe an end mill, which cuts both radially and axially; drill bits only cut axially.

    3D printable jigs are used to hold the part in place as each milling step is performed. For example, milling an 80% AR-15 lower receiver requires 2 jig pieces to secure the lower in place while the trigger pocket is milled, and then two more jig pieces are installed to drill the trigger pin holes. As most 80% firearms require deep pocket milling, GhostGunner's mounting table is parallel to the end mill shaft. This orientation maximizes 3D printed jig strength, minimizes jig complexity, and mechanically aligns the part to the machine upon insertion into the MakerSlide-patterned, Open Source T Slot stainless rails. No glue or tape required... this is a real CNC with real mounting solutions.

    For other Open Source designs, Defense Distributed developed a custom spindle that exceeds the quality, accuracy, and cutting capabilities of any sub-$400 spindle we've tested. We also developed a custom signal conditioning PCB called GrbIO that reduces RF noise generated by the several stepper motors used on the machine.

    https://ghostgunner.net/blog.html [ghostgunner.net]

    November Update No. 1

    The Ghost Gunner demand was so overwhelming, and the orders so strong, that we realized we were able to build a much higher quality machine.

    Improvements in our Mark III design:

    * Single piece powder coated 1018 steel exoskeleton to improve rigidity per unit weight
    *Reinforced A36 steel end plates to further improve rigidity
    *A new open source GrBLDC brushless motor controller shield for Arduino.
    *Oversized 125W NEMA 23 BLDC motor, electronically throttled to 72W.
    *Spindle incorporation of industry standard ER11 collet system, supporting tools up to 5/16”

    Early buyers got a price ranging from $999 to $1299.

    --
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