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Want an LR-308 that looks as good as it performs? Want to develop that “extension of yourself” level of familiarity that only building it yourself could grant you? Get your zen on with this LR-308 upper assembly, with a black nitride barrel that’s been given straight fluting to show that attention-getting stainless steel underneath. This…
Please note: We strive to provide the most accurate photographs of our product wherever possible. Due to availability limitations and supply chain constraints, slight variations of the handguard of this upper assembly may occur in the aesthetics of the skeletonizations in between the M-LOK sections. If you’re a hunter, you can appreciate the need for a somewhat…
Build your LR-308 rifle with this upper assembly, and then really stretch out with your shots fired and go the distance. This build kit comes with a 20″ match barrel made of 416R stainless steel, so you can count on it lasting the entire life of your LR-308. A custom, free-float M-LOK handguard with low-profile…
Every AR10 upper we sell is professionally assembled, thoroughly inspected, and built to deliver dependable performance with the power and accuracy the .308 platform is known for. Each upper is ready to install and engineered for shooters who demand reliability straight out of the box.
All of our AR10 uppers are compatible with DPMS .308–pattern components, making it easy to pair your upper with the correct lower, bolt carrier group, and internal parts. Whether you’re completing a precision rifle or a hard-use .308 build, these uppers are designed for proper fit, function, and compatibility within the DPMS ecosystem.
We source barrels in a variety of lengths to support the most popular AR10 rifle and pistol configurations. From compact, maneuverable setups to full-length barrels optimized for long-range accuracy and velocity, you can choose an upper that matches your shooting style and application.
Performance starts with the barrel. Our AR10 uppers feature either 4150 CroMoV (mil-spec) barrels for durability and heat resistance, or 416R stainless steel barrels for enhanced precision and consistent sub-MOA potential. Each option is selected to maximize accuracy, longevity, and reliability under demanding conditions.
Whether you prefer a traditional forged receiver or want the enhanced ergonomics of a billet or side-charging design, we offer AR10 uppers to match your build preferences. Choose a classic mil-spec look or upgrade to modern features designed for comfort and control.
DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-Lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.
