AR-15 80% Lowers Product Only

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In Stock
In Stock

AR-15 80% lower receivers are unfinished firearm frames requiring additional machining. These products provide experienced builders with the foundation for custom AR-15 rifle builds while allowing for personalization and hands-on craftsmanship. Our selection of 80% lower receivers offers quality materials and precision engineering for DIY firearm enthusiasts who want to create their own custom AR-15 platform.
Whether building your first custom AR-15 or adding to your collection, our 80% lower receivers provide the starting point for a personalized firearm project. Each 80% lower requires proper tooling, machining knowledge, and completion in compliance with all federal, state, and local laws.
Forged Aluminum 80% Lowers: Durable 7075-T6 aluminum construction for long-lasting performance
Billet Aluminum 80% Lowers: Precision-machined from solid aluminum blocks for enhanced strength
Polymer 80% Lowers: Lightweight polymer construction for reduced weight builds
Anodized Finish Options: Various colors and finish choices for custom aesthetics
Mil-Spec Compatible: Designed to accept standard AR-15 components and parts kits
Our 80% lower receivers are designed to accept standard AR-15 components, including triggers, stocks, and hardware. Each product has detailed specifications and is compatible with most AR-15 build kits and individual elements in our store.
Building from an 80% lower allows for complete customization of your AR-15 platform while providing hands-on experience with firearm assembly and engineering. All products require proper completion by qualified individuals with appropriate tools and knowledge of applicable laws.
Ready to start your custom build? Browse our complete selection of AR-15 80% lower receivers and pair them with our extensive inventory of build kits, triggers, stocks, and accessories. Set up Auto-Ship for regular deliveries of your favorite parts and never run out of components for your next build project!
What is an AR-15 80% lower receiver?
An 80% lower receiver is an unfinished firearm frame requiring additional machining. It provides the foundation for building a custom AR-15 while requiring proper tools, knowledge, and compliance with all applicable laws.
What tools are needed to complete an AR-15 80% lower?
Completing an 80% lower typically requires specific jigs, drill bits, router or milling equipment, and proper measuring tools. The exact requirements depend on the particular lower and completion method chosen.
Are AR-15 80% lowers legal in my state?
Legal requirements vary by state and locality. Researching and understanding all federal, state, and local laws is essential before purchasing or completing any 80% lower receiver. Some states have specific restrictions or requirements.
What's the difference between forged and billet 80% lowers?
Forged lowers are made from heated and shaped aluminum, typically offering good strength at a lower cost. Billet lowers are machined from solid aluminum blocks, often providing enhanced strength and allowing for more detailed designs.
Can I return an 80% lower after purchase?
Due to the nature of firearm components, returns may be restricted. Check our return policy and contact customer service for specific questions about returns and exchanges on 80% lower receivers.