80 Percent Lower | 80% Lowers | Very Fast Shipping

When you are building a firearm from the ground up, the foundation matters. Our 80 percent lower and 80% lowers provide the essential starting point for your custom AR-platform project. Machined from billet 7075-T6 aluminum, these receivers are designed for the serious builder who demands precision and reliability. We back every unit with very fast shipping, so you can start your build without delay. Each lower is precisely indexed for a seamless fit with mil-spec upper receivers and parts kits, giving you a solid platform that meets professional standards. If you are looking for an 80 percent lower that combines quality materials with quick turnaround, this is your solution.

Overview

Our 80 percent lower is a raw, unfinished receiver that allows you to complete the fire control cavity and trigger pin holes using standard jigs and tooling. Manufactured by 80, this part falls under the Parts category and is designed for builders who want full control over their firearm’s final configuration. The lower is fully compatible with all standard AR-15 components, including triggers, grips, and buffer tubes. With very fast shipping, you can expect this 80% lower at your doorstep within days, not weeks. Whether you are starting a new build or adding to your inventory, this component delivers the structural integrity you need.

Features & Specs

Every 80 percent lower we carry is built to exacting tolerances. The material and machining process ensure that your final assembled rifle functions reliably under repeated use. Key specifications include:

• Manufactured from 7075-T6 aluminum for high strength and corrosion resistance
• Mil-spec dimensions for compatibility with standard AR-15 upper receivers and parts kits
• Hard coat anodized finish for durability and reduced wear during assembly

Additional features that set our 80% lowers apart:

• Pre-drilled and tapped for standard grip and trigger guard installation
• Includes rear takedown pin detent hole and buffer retainer pin hole
• Lightweight design without sacrificing structural rigidity

For builders who value efficiency, the 80 percent lower requires only basic finishing to complete the fire control group pocket. All critical reference surfaces are already machined, reducing the risk of alignment errors. With very fast shipping, you can proceed from order to workbench in minimal time.

Who It’s For

This 80% lower is intended for experienced firearm builders and hobbyists who understand the legal and mechanical requirements of completing a receiver. It is not a finished firearm and requires additional machining to function. The product suits:

• DIY enthusiasts who prefer to finish their own lower receiver at home
• Gunsmiths and small shop owners stocking parts for custom builds
• Competition shooters and sport shooters building a dedicated platform

If you have the proper tools and knowledge to complete an 80 percent lower, this component offers a cost-effective way to create a personalized firearm. We recommend using a reputable jig system and following all local, state, and federal laws regarding receiver completion and serialization requirements. Our very fast shipping ensures you receive your 80% lowers promptly, allowing you to proceed with your project on your schedule.

Shipping & FFL

We prioritize very fast shipping for all 80 percent lower orders. Each unit is shipped via priority carriers with tracking and insurance included. Orders are processed within one business day. Please note that an 80 percent lower is not a firearm and does not require transfer through a Federal Firearms License (FFL) for shipment. However, you are solely responsible for ensuring compliance with all applicable laws in your jurisdiction. Some states and localities may impose restrictions on the possession, transfer, or completion of 80% lowers. It is your obligation to verify legal requirements before purchasing. By ordering this product, you affirm that you are legally permitted to own and complete an unfinished receiver. We reserve the right to cancel any order that violates our terms or applicable law.