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80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories which allow you to legally build a firearm at home in most states.
We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum.
We also offer our patented AR-15 and .308 Easy Jigs® which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required.
Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. We will promptly replace or repair any product that we determine to be defective.
2A Newsletter: Week of March 24th thumbnail image

2A Newsletter: Week of March 24th

80 Percent Arms   |   Mar 24th 2023

80% Arms Releases New All Metal and Reusable Pistol Jig

This week, we’ve released the first of many new products that will be released this year in 2023! The GST-9 Infinity Jig is the latest iteration that we’ve come out with to help shooters have the best possible building experience. Most importantly, (unlike its polymer predecessor) it’s reusable!

Our new jig is compact, sleek, made out of 6061 high-end billet aluminum and has heat treated, hardened steel bushings that will ensure a long lasting and extremely durable jig. With only three simple parts and two screws this new pistol frame jig is effortless to assemble. As a first time for our company, we are also now offering multiple CNC precision cut rail packs.

In the past we’ve recommended drill presses for the best results when drilling out your GST-9 frame. But with the Infinity Jig, your everyday hand drill is really all you need! Check out our new GST-9 jig as soon as you can — we’re running exclusive promotional pricing only for the first week of it being live on our website.

CA HANDGUN ROSTER ON LIFE SUPPORTUS District Court Judge Cormac Carney laying down the law

Photo Source: Kuzmaphoto via Shutterstock

Many of us employed at 80 Percent Arms originally came from Southern California so this story hits close to home. On Monday this week, a US District Judge granted an injunction that says the requirement for all new handguns sold in California must come with chamber loaded indicators, magazine disconnect mechanisms and microstamping features is unconstitutional. The ruling was made in the Boland v. Bonta case, brought forward by the California Rifle & Pistol Association and several individual gun owners over the constitutionality of California’s “Unsafe” Handgun Act.

With these heavy restrictions, no new models of semi automatic handguns have been approved for sale in California since 2013. The judge said that California’s requirements have left a “devastating impact” on Californians’ ability to utilize the Second Amendment due to not being able to acquire or use new, state-of-the-art handguns. (We can speak to this on a personal level) that’s why most CA residents still buy brand new Gen 3 Glocks, or other guns on a pre-approved list of older firearms that were grandfathered onto what’s commonly known as “the roster.”

“No handgun available in the world has all three of these features,” the judge wrote (chamber loaded indicator, mag disconnect, microstamping).

With this preliminary injunction in place, the State DOJ has 14 days to appeal this legislation. That will undoubtedly occur, but this injunction could be the start of ridding Californians of “off-roster/private party” pricing which prospective gun owners in CA have no choice but to deal with if they wanted to, for example, buy a Gen 5 Glock or newer Sig Sauer pistol like the P365.The National Shooting Sports Foundation (NSSF), is at the front of this case and the VP Lawrence Keane, couldn't have said it better:

“The (judge’s) order is the first step in what will be a protracted legal battle, but it is a significant win.”

So for now, we’re cautiously optimistic, and hopeful even, that the infamous ‘handgun roster’ may soon actually come to an end. Should that happen, 80 Percent Arms may very well be able to resume sales to CA residents down the line as well. Another good case to keep up with is Renna v. Bonta.

The Dangers of Anti-Gun Culture in Police PoliticsMemorial Event of the Uvalde School Shooting

Photo Source: Jinitzail Hernandez via Shutterstock

Over the past year, the anti-gun rhetoric has continually grown. That’s not new. We’ve also commonly seen law enforcement leaders turn their backs on the common gun owner who, more often than not, is law abiding. What’s new is seeing officers run away from danger, letting a mass shooting happen, and blaming the incident on the twisted individual’s AR-15… but no, their response time, tactics or lack thereof had nothing to do with it.We all know it’s a weird time to be alive. But as anti-gun ideology and rhetoric makes its way into police politics, a new danger arises.

The one year anniversary of the horror that was the Uvalde Massacre was this past week. Rather than using this time to help the schools recover and deal with the heartbreak that came with law enforcement's cowardice — Police that were active on the scene have continued to shift blame from an inability to act, to the weapon the school shooter was handling. His “battle rifle” was apparently too much for officers to handle despite having the same weapon systems, exponentially more training, experience and hundreds of police officers on the scene.

What’s more, the state of California has recently initiated a program to encourage its citizens to report instances of untraceable firearms, commonly referred to as “ghost gun,” through a designated tip line. This program even includes a financial incentive of $500 for those who provide actionable information.

While gun buyback events or anonymous tip lines are supposedly a recognized practice in promoting community safety, this approach doesn’t align with the principles of community policing. Instead, it creates an environment of suspicion and apprehension - impeding efforts of communities to engage in meaningful dialogues and bridge differences.

Still want to know where the danger is here? Another way of looking at this is that the largest police agency in CA has decided that they are incapable of doing their jobs, so just like their political leaders - they’ve chosen to throw money at the problem. Just like how many have gamed gun buyback events, this could also easily go very wrong for individuals who may be falsely reported on.

It's concerning seeing these police agencies and government organizations demonize and attack the most commonly owned firearms across America and not truly support their citizens’ Second Amendment rights or have their safety in mind. The LAPD’s snitch line program is not an excusable representation of “doing something.”

If you live in Southern California. Don’t let them get away with it. This is why it’s important to vote for the superintendent of your kid’s school district, the city mayor, your county sheriff, and all the way up your state senators or governor. Write to your elected officials. Stay informed, do your research and please take part in your civic duty and support the groups who fight for your rights such as the FPC and GOA.


Do you find it overwhelming, having to keep up with all the news surrounding guns and your right to own or build them? That’s what we’re here for. Obviously we’re slightly biased but we do the digging and research across both sides of the aisle to bring you the most holistic and accurate information so that you don’t have to! So sign up for our newsletter to stay tuned and for regular updates if you haven’t already.

Have topics you would like to see us touch on, or any feedback for us? Make sure to leave a comment below! We want to make sure we are putting out news relevant to our customers, and what you want to hear! Knowledge is power, and the more informed we all are to what's going on with our rights, the more effectively we can fight back.