The San Bernardino County Sheriff’s Department in California says it all began with a report of a credit card being stolen from the front porch of a residence, and the ensuing investigation led to the arrest of two women who were allegedly operating a wide-ranging identity theft ring and attempting to 3D print a lower receiver for an AR-15 rifle.

The deputies say Josephine Chai, 30, and Jessica Duong, 25, were part of a larger identity theft ring.Ghost Cutter CNC machine by Defense Distributed

An arrest warrant issued in the investigation allegedly turned up a running 3D printer.

“The printer was on and in the process of making a lower receiver when we got to the home,” Deputy Brian Arias of the Chino Hills Police Department told the Chino Champion Newspaper.

In addition to the currently printing lower receiver for an AR-15 assault rifle, the investigators say they also found a manufactured lower receiver loaded with live ammunition and a manufactured gun, also loaded, but this one with AirSoft ammunition.

Chai and Duong were booked into the West Valley Detention Center on charges which included possession of a controlled substance for sale, manufacturing a firearm using a 3D printer, and a list of identity theft charges.

A pair of men the sheriffs say were part of the ring, Steven Phong, 32, and Wesley Isaacs, 50, were arrested last month.

The search warrant was served at Chai’s house on the morning of April 28, 2015, and the deputies say they discovered the “3D printer” creating a lower receiver for an AR-15, which is an integral part of the assault rifle.

“An AR-15 is comprised of two main bodies,” said former US Army weapons specialist James Sinclair. “There’s an upper and a lower. The lower regulates ammunition expenditure and is regulated by the government.”

unpolished-ghost-gun-demo

It’s not a certainty, but what the sheriffs discovered is likely not a 3D printer per se, but more likely a Ghost Gunner, the Defense Distributed CNC milling machine designed to manufacture the lower receiver of the popular AR-15 rifle. While US law does allow for the creation of firearms from parts or kits, the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) says any
“unlicensed individual may make a ‘firearm’ as defined in the GCA for his own personal use, but not for sale or distribution.”

The Ghost Gunner cuts out a semi-finished lower receiver from a metal piece which is generally 80 percent finished and can be purchased from a variety of companies. The Ghost Gunner finishes the lower receiver. The rest of the necessary parts to build a working AR-15 can be purchased online without being subject to waiting periods or background checks.

While it is possible to make a “working” lower receiver from plastic materials, a 3D printed version of the piece is not likely to withstand the stresses of firing for long.

Do you think Sheriff’s Deputies in California found members of alleged identity theft ring 3D printing the lower receiver for an AR-15? Let us know your thoughts in the Sheriffs Find 3D Printer Making an AR-15 Lower forum thread on 3DPB.com.

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