CUSTOMERS : DETROIT GUN WORKS


12


Differentiating Through Technology


Arnot Heller and his brother Matt Heller are thirty-something degreed engineers running Detroit Gun Works. They are also fourth generation, hands-on machinists and know a thing or two about the critical role of new-technology in business growth.


AR-15 bolt carrier being held by main spindle and sub-spindle while the B-axis performs a hard turning OP.


TROY, MI — Arnot and Matt Heller, owners of Detroit Gun Works (DGW), employ a small team of engineers and machinists in a 15,000 ft.² facility with cutting edge machine tools — including a Doosan MV 5025/50 four- axis vertical machining center equipped with robotic part handling and a Doosan Puma MX1600ST mill-turn multitasking machine with nine full axes, left and right main spindles, a B-axis with virtual Y-axis, a lower turret, and an FMB turbo 5-55 bar feeder.


Boom in Firearms


“In 2008 and 2009 the firearms market was booming,” Arnot says. “My brother Matt and I started thinking about this expanding market, and we knew that people who like guns like to know how they’re made, where they’re made, what they’re made of. Also, customers in this industry want a firearm that will


fire


100,000 rounds and at the same time look like a highly polished, precision piece of jewelry.”


“Further, we understood that to manufacture for the firearms industry,


AR-15 bolt carrier turrned and milled on a Doosan Puma MX 1600ST.


you must have special permits to produce serialized gun receivers, and the Chinese couldn’t get these permits. So right there we’re looking at a product that has to be made domestically. I’ve also felt that if you want to run high- value machine tools and make very cool things, all roads sort of end up leading to aerospace and military.” And so Detroit Gun Works (DGW) was born.


AR-15 Bolt Carrier Today DGW has a core competency in components for the AR- 15 and .308 caliber semi-automatic rifles:


the


frames for the upper a n d lower receivers in particular.


These are


lightweight forged-aluminum parts and are run in a special robotic cell. Another strong competency area lies in bolt carriers, made of 8620, that they run on their Puma MX 1600 ST mill-turn multitasking machine.


The way the Puma MX 1600 ST purchase came about was like this: Arnot and Matt were at IMTS 2012 looking for a machine with flexibility and versatility to run a number of difficult parts and


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