80% Lower Receiver – Forged 7075-T6, Anodized Black, Fire/Safe Marked | AR-15 Build Kit

Description

Start your build with the core component trusted by experienced gunsmiths and first-time builders alike. This 80% lower receiver isn’t just a part—it’s the legal, personalized beginning of a rifle built to your exact specifications, offering unmatched satisfaction and performance.

Product Overview

Proudly forged, machined, and finished in the USA, this 80% lower receiver blank is the essential first step in creating your own AR-15. Constructed from premium 7075-T6 aluminum and treated with a military-grade anodized finish, it provides a rock-solid foundation. The receiver comes pre-engraved with Fire and Safe markings, saving you a step and ensuring a professional look. Designed for use with standard 80% lower jigs and Mil-Spec components, it transforms into a fully functional lower receiver with the proper tools and expertise.

Key Features

• Forged 7075-T6 Aluminum: Offers superior strength and durability compared to cast or billet receivers, ensuring a lifetime of reliable service.
• Type III Hardcoat Anodized Finish: A matte black, abrasion-resistant finish that protects against corrosion and matches any Mil-Spec upper receiver.
• Fire/Safe Markings Included: Professionally engraved selector markings for a clean, OEM-style appearance right out of the box.
• 100% Mil-Spec Design: Guaranteed compatibility with all standard AR-15 parts kits, buffers, grips, stocks, and triggers.
• Multi-Caliber Ready: Engineered to function flawlessly with 5.56 NATO/.223 Remington, 300 AAC Blackout, and 6.5 Grendel upper assemblies.
• U.S. Manufacturing: Forged, cut, and finished domestically for guaranteed quality and material integrity.

Technical Specifications

SKU: P80-003
Material: Forged 7075-T6 Aluminum
Finish: Type III Hardcoat Anodizing (Matte Black)
Engraving: Fire/Safe Selector Markings
Compatibility: Mil-Spec AR-15 Components
Caliber Compatibility: 5.56x45mm NATO / .223 Remington, 300 AAC Blackout, 6.5 Grendel

Compatibility

This lower is designed for universal fitment. It accepts all Mil-Spec AR-15 lower parts kits (LPKs), buffer tubes, pistol grips, magazine releases, and stocks. It is engineered to pair perfectly with any standard AR-15 upper receiver in the compatible calibers listed, ensuring a tight, rattle-free fit for optimal accuracy.

Legal & Compliance Notice

This product is sold as a component for lawful manufacturing and use only. The purchaser is solely responsible for compliance with all federal, state, and local laws regarding the purchase, manufacture, registration, and possession of firearms and firearm components. This is an 80% lower receiver, not a firearm. It requires machining to completion, which must be performed in accordance with all applicable laws. By purchasing, you certify you are 18+ (21+ where required) and that manufacturing a firearm is legal in your jurisdiction. It is the buyer’s responsibility to verify all laws before purchase and completion.

FAQ

Is this considered a firearm?

No. This is an unfinished 80% lower receiver, often termed a “receiver blank” or “frame.” It is not classified as a firearm under federal law and does not require an FFL transfer or serial number upon purchase. Laws vary by state and locality.

What tools do I need to complete this 80% lower?

Completion requires a specialized 80% lower jig, a drill press or router, and appropriate drill bits and end mills. Technical skill and proper safety equipment are essential. We sell compatible jigs and tooling separately.

Does it come with a jig or parts kit?

No. This listing is for the 80% lower receiver only. The necessary completion jig, tools, and lower parts kit must be purchased separately to finish the assembly.

Take control of your build today with this premium American-made foundation.

Available for purchase and fast shipping to Texas, Florida, Arizona, Nevada, Montana, Wyoming, Idaho, Utah, Alaska, Colorado, Georgia, Tennessee, North Carolina, Virginia, Pennsylvania, Ohio, Michigan, and all other eligible US states.