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Big Gringo, Big Shotgun, Big Innovations

Q&A with Jeff Rodriguez, inventor of the #12K Liberator platform

Our annual conference, Bear Arms N’ Bitcoin, taking place April 10th and 11th in Austin, Texas will feature the most innovative doers in freedom technology. In this week’s newsletter we talk with one of these experts, Jeff Rodriguez AKA BigTanGingo.

Liberator12k ZigZagRevolver Blast Shield Testing

GNB: Please summarize your 12K Liberator shotgun/platform.

JEFF: I started the #Liberator12k project to improve on the slamfire 12 gauge pipe shotgun. To make ejection easy and give it a trigger – so I made a break-action pipe shotgun. The project grew to include a pump revolver and a few other “exhibition” guns that use factory gun parts.

I’ve conquered most angles of gun control, at least in demonstration: World’s first printed cartridges, first 3D printed ECM rifling for DIY barrels, DIY nitric acid for smokeless powder, and electronic primers, there’s a whole list on the website. I open sourced and publicly documented these advancements so others in the community can carried some of that work forward into detailed instructions for things like the Deterrence Dispensed FGC9.

At SHOT Show with 12K Liberator shotgun

GNB: What are the advantages of the Liberator12k design over a traditional one of the same caliber or type?

JEFF: With regard to the ZigZag Revolver, the action is extremely simple and most of the parts are big and chunky, making it unlikely to jam. It’s also reasonably easy to DIY, although the tools and skills required for a 12 gauge revolver are higher than, say, a break-action. In all honesty, a factory-made pump shotgun is still better, if you can get one. But they’re plain and boring range toys. Another one of my ‘exhibition’ designs, BARBB (Bolt Action AR Barrel Bullpup) was designed to be an ultra-lightweight single-shot hunting rifle.

GNB: What are you most looking forward to at Bear Arms N’ Bitcoin 2021?

JEFF: I’m looking forward to meeting the other designers pushing the envelope of DIY guns. It’s also great to hear from people who’ve been following my work over the years, so stop by and say hello!

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3D Printed Firearm World Championship

$600 in bitcoin prize purse! At Bear Arms N’ Bitcoin 2021

We’re excited to host the first ever shooting competition for 3D printed guns, at Bear Arms N’ Bitcoin 2021. The conference is only 10 weeks away. Buy Early Bird tickets before they sell out and you’ll save $140 off of the Standard ticket.

The 3D Printed Firearm World Championship contest will have three stages, each utilizing a different aspect of the firearm: accuracy, speed, and reliability.


  • 100% build (barrel and bolt carrier group permitted)
  • 80% build (barrel, bolt carrier group, fire control group, slide/upper)
  • Peoples choice (any submission will qualify entry; however, a vote will decide after the competition which gun was most liked)

The prize money will be $200 in bitcoin for each category, for a total prize purse of $600.

The cost to enter is $25 per category.

The contest will be part of Sunday’s activities, which will include target shooting across three lanes: open, rifles only, and 3D printed.

The championship will be directed by the 3D Firearms Association, started by Austin Black, cofounder of Apostles Firearms Academy, (AFA). The complete set of rules and instructions are available as a downloadable PDF on the event website, under the “Sunday – April 11” section.

To learn more about Austin and his love for shooting competitions and 3D printed guns we asked him four questions.

GNB: What is your experience or achievements with shooting competitions?

AUSTIN: I have been competitive shooting since I was 13 years old (I am now 28). The shooting sport that first caught my attention was Cowboy Action Shooting, which was something I went on to win several state championship titles and one world championship title in 2016. I spent the last 15 years competing in different sports from IDPA, IPSC, Steel Challenge, and 3 Gun matches. Additionally, I have spent several years doing stage designs for these matches.

GNB: Why did you start the 3D Firearms Association?

AUSTIN: After helping host the range portion of last years Guns N’ Bitcoin conference, I quickly realized the creative potential of the designers. I am a big believer in free market capitalism and competition driving performance. With this in mind, I wanted to provide an organization that will help set a more perfect trajectory in the development of 3D printed firearms.

GNB: Why should people enter the 3D Printed Firearms World Championship at Bear Arms N’ Bitcoin 2021?

AUSTIN: People should enter the 3D Printed Firearms World Championship 2021 for the chance to showcase their build and its ability, to test themselves, and obviously to win some bitcoin!

GNB: What are you most looking forward to at Bear Arms N’ Bitcoin 2021?

AUSTIN: I am excited to be a part of something I believe will be a historic event. There is a beautiful symmetry between cryptocurrency and 3D printed firearms and the liberty both bring. Also, I am absolutely elated to meet again with the wonderful people that this conference attracts.

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Wild, Wacky, and Sexy 3D Printed Guns

Q&A with Bear Arms N’ Bitcoin Presenter Vinh Nguyen

Our annual freedom technology conference Bear Arms N’ Bitcoin is only nine weeks away. In this week’s newsletter we pose some questions to Vinh Nguyen, a designer of many wacky and innovative 3D printed guns, and is a presenter at #BANB2021!

Our annual freedom technology conference Bear Arms N’ Bitcoin is only nine weeks away. In this week’s newsletter we pose some questions to Vinh Nguyen, a designer of many wacky and innovative 3D printed guns, and is a presenter at #BANB2021!

GNB: What are your top three favorite 3D printed guns you’ve made and why?

Vinh: I think my personal favorites thus far are my ASP 2.1, Superstar STR-15, and VS-22. The ASP 2.1 is a reimagining of Devel’s ASP carry pistol from the late 20th century, but in a modern Smith and Wesson M&P Shield frame- complete with windows and a “gutter” sight stand-in. The STR-15 is my take on a “compliant” design that gives any bufferless AR-15 upper a more “traditional” gun design (though if you are printing, it probably doesn’t matter anyways). The VS-22 is simply fun- it’s a frame specifically for the VZ-61 Skorpion .22LR conversion kit from Czech Small Arms. Great for cheap plinking and showing off.

GNB: What inspires your designs?

Vinh: Mostly convenience, but with a sprinkle of absurdity. My claim to fame was my stock and shroud kit for the 16-inch Heritage Rough Rider, which was my first design, and was just simply absurd. I usually make designs on whatever I can get my hands on, or make choice tweaks to existing ones.

A small sample of Vinh’s designs.

GNB: What are you most looking forward to at BANB2021?

Vinh: I’m definitely looking forward to connecting with the community in meat-space at BANB2021! I wasn’t a major crypto person early on, but after BANB2020 and some book reading, I was able to be more informed about the movement and purposes of Bitcoin. I definitely want to learn more at the event, and hope to share with others too about guns and stuff.

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Electric ignited 3D printed .50cal pistol And Tactical Geese

Q&A with SuckBoyTony & Brave The World

Our annual FREEDOM TECHNOLOGY conference Bear Arms N’ Bitcoin is only ten weeks away. Buy Early Bird Tickets while they last and save $140 off of a Standard Ticket. In this week’s newsletter we pose some questions to SuckBoyTony, and Brave The World, two of our many accomplished speakers at #BANB2021.

SuckBoy Tony

SuckBoy Tony is a former explosive ordinance expert in the armed forces. He’s currently a civil engineering student and intern with

GNB: Summarize your BA-50 3D printed gun.

SB Tony: The BA-50 started as a way to prove that 3D printed barrels could work for many rounds. This involved making a custom low-pressure .50cal cartridge, based on my load data it should deliver more energy than a standard 9mm, at about 1/3 the pressure. I am starting to incorporate electronic ignition and solenoids to make it semi-automatic and more reliable.

GNB: What are you most looking forward to at BANB2021?

SB Tony: I am most looking forward to showing off a side project of Atlas Arms that I have been working on. I think people will be extremely excited for it and we should have a prototype working by BANB2021. I am also looking forward to seeing the new designs.

GNB: Why is freedom technology important?

SB Tony: Freedom technology like cryptocurrency, 3D printing, encryption, VPN’s, and the entire DIY mindset, is all about maintaining independence from government control. Due to continuing violations of the U.S Constitution by the U.S government (and lack of protection for free speech and firearm ownership in many other countries), I believe it is extremely important for us to be able to exercise our constitutional rights without government control as was originally intended.

Brave The World

Brave The World is the author of the new book “Thank God For Bitcoin”.

GNB: What are some things you do in real life to help you and your family be more sovereign, safe, and happy?

Brave The World: We buy land. We have babies. We can protect ourselves. We don’t hold fiat.  Gardening and petting geese also helps.

GNB: Why is freedom technology important?

Brave The World: Many intelligent people, including one I trusted with such subjects, predicted that post Biden we will see a simmering down of events. The most radical left factions will no longer have an enemy, and the fight, in general will cease. Everyone will have peace, and more importantly, time. Well…that has not happened. Things seem to be escalating. The government is going after the speech of people who supported the previous president. It does not feel safe to talk publicly about politics unless you fit into the accepted narrative. Technology needs to continue to offer us private means of speech or else we will be silenced. 

GNB: What are you most looking forward to at BANB2021?

Brave The World: Hanging out with awesome people.