An 80 percent lower is an unfinished, yet still legally considered, lower receiver for an AR-15 rifle or pistol. Although considered a firearm by the ATF, an 80 percent lower does not require any background checks or paperwork to purchase. It is the responsibility of the purchaser to understand and abide by the laws in their respective states when it comes to completing and using an 80 percent lower. In this blog post, we will be breaking down the various legal ways to finish an 80 percent lower.
1) Understanding the Legality of Finishing an 80 Percent Lower
When it comes to finishing an 80 percent lower, it is crucial to understand the legal implications. While these lower receivers are technically considered firearms by the ATF, they do not require any background checks or paperwork to purchase. However, as responsible Gun Builders, it is our duty to be knowledgeable about the laws in our respective states. Each state has its own regulations regarding the completion and usage of 80 percent lowers, so it’s important to do thorough research and ensure compliance. In the next sections, we will delve into the tools, methods, and legal considerations for finishing an 80 percent lower. Stay tuned!
2) Tools and Materials You Need to Finish an 80 Percent Lower
To successfully finish an 80 percent lower, you’ll need a few essential tools and materials. First, you’ll need a vise to securely hold the lower receiver in place during the machining process. You’ll also need a drill press or a router, depending on the method you choose. A quality jig kit is crucial as it provides the templates and guides necessary for precise cuts. Additionally, having the appropriate drill bits, end mills, and cutting tools specific to the jig kit you choose is essential. Remember, as Gun Builders, having the right tools and materials is key to achieving a successful and legal finish on your 80 percent lower.
3) Option 1: Use a CNC Machine
When it comes to finishing an 80 percent lower, one option is to use a CNC machine. This method offers precise and efficient cuts, making it a popular choice for experienced Gun Builders. With a CNC machine, you can program the desired cuts and let the machine do the work for you. However, it’s important to note that using a CNC machine requires some technical knowledge and access to the equipment. Make sure to follow all safety guidelines and thoroughly understand how to operate the CNC machine before attempting to finish your 80 percent lower. Happy building!
4) Option 2: Use a Jig Kit with a Drill Press or Router
If you don’t have access to a CNC machine or prefer a more hands-on approach, using a jig kit with a drill press or router is a great option for finishing an 80 percent lower. The jig kit provides the necessary templates and guides, ensuring precise cuts. With a drill press or router, you have control over the machining process and can go at your own pace. Just make sure to follow the instructions carefully and take the necessary safety precautions. This method allows you to be actively involved in the process and can be a rewarding experience for Gun Builders of all levels. Happy building!
5) Option 3: Use Hand Tools
If you don’t have access to a CNC machine or prefer a more hands-on approach, using hand tools is a viable option for finishing an 80 percent lower. While it may require more time and effort compared to using machinery, it allows for complete control over the process. With hand tools like files, sandpaper, and a drill, you can achieve precise cuts and smooth finishes. This method is perfect for those who enjoy the satisfaction of working with their hands and want a more personal touch in their gun-building journey. So grab your tools and get ready to bring your 80 percent lower to life!
6) Compliance with State and Federal Laws
It is crucial to ensure compliance with both state and federal laws when finishing an 80 percent lower. While these lower receivers may not require background checks or paperwork to purchase, it is important to remember that each state has its own regulations regarding their completion and usage. It is the responsibility of Gun Builders to thoroughly research and understand the laws in their respective states. By abiding by these laws, you can ensure that you are legally finishing your 80 percent lower and enjoying your firearms responsibly. Stay informed, stay compliant, and happy building!