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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.


80 Percent Arms   |   Oct 12th 2023


BlackHawk Manufacturing (dba, 80 Percent Arms), in conjunction with Defense Distributed, has officially submitted a comprehensive response to the Supreme Court in the ongoing battle against the ATF. We’re actively engaged in a significant legal standoff that has reached the Supreme Court to uphold Second Amendment freedoms challenging the unlawful new regulatory amendments issued by the ATF. The core issue stems from the ATF's 2022 ‘Frame and Receiver’ Rule, a precedent-setting expansion that redefines “firearms” to include "unfinished frames and receivers" as well as "frame and receiver part kits." This rule is not only an illegal overextension of the ATF's authority but also an infringement on our rights under the Second Amendment.

Our responses to the Supreme Court mark a significant step in our continued effort to safeguard not just the interests of our industry, but the fundamental rights and freedoms of all Americans. We remain dedicated to this cause and are prepared to engage fully in all forthcoming aspects of this legal challenge. You can support us during this fight by purchasing directly from us here.

As we've argued in our recent response, "The challenged Final Rule has its beginnings in an Executive Branch directive to the U.S. Attorney General to take action without regard to the lack of statutory authorization to do so." This position is more than a mere disagreement over regulatory interpretation; it stands for the principles of legislative authority and constitutional rights. Our position highlights a crucial aspect of American democracy: the separation of powers. Lawmaking is Congress's responsibility, to ensure that laws reflect the people's voice. When the ATF enforces rules not based on actual legislation, it oversteps its role and infringes on Congress's territory, upsetting the constitutional balance. This isn't only about protecting our industry; it's also about defending the rule of law and the constitutional rights, including the clear mandates of the Second Amendment, that are central to American identity.

Our fight is not just about the right to manufacture, sell, or own firearms. It's about the broader implications of bureaucratic overreach. By administrative regulation, ATF’s 'ghost gun' rule tries to criminalize what Congress did not actually and could not constitutionally criminalize. This rule, we argue, goes beyond the bounds of the ATF's statutory authority, attempting to enforce laws not enacted by our legislative representatives.

Defense Distributed and 80 Percent Arms are entitled to the injunction pending appeal, not as a matter of special privilege, but as a matter of legal right and principle. The same principle applies to all other entities standing against this rule.

At 80 Percent Arms, we stand strong and won’t back down. We fight for the rights promised to us in the Second Amendment and for fair play in our courts and laws. We stand shoulder to shoulder with everyday people and businesses who are feeling the pressure and burden of regulations that have gone too far. And we stand firm for the rule of law, making sure that our rights, and the rights of all Americans, are kept safe and respected.

Let’s move forward together, standing tall under our flag of freedom, and keep protecting the values that make our nation truly great.

Special Thank You to Our Supporters 

We want to extend a special thank you to those who've shown incredible solidarity. 

For those sticking with us while we wait for the Supreme Courts ruling, to the advocates sharing our battle on social media, in their communities, and with loved ones, your actions are a testament to the strength of our united front. We extend a special thank you to the contributors to our legal fund — your backing is the lifeblood of our defense in the courts. 

But this fight is about more than the 80% community; We're pushing back against overstepping rules to protect fundamental American freedom. It's about defending a right that's essential to our way of life. 

Together, we're upholding the very ideas that forged this great nation. We're reminded that America was built on the courage to stand for what's right, even when the battle is hard. And that's what we recognize in you — the bravery in your beliefs, the integrity of your spirit, and the determination to defend what's important to us all. 

Thank you for standing with us. Your support fuels our determination to ensure that the freedoms in our Constitution remain protected, now and for generations to come.

With gratitude, 

The 80 Percent Arms Team


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