80% Lower Fire/Safe Marked – Anodized Black

For builders who demand precision and clear markings, the 80% lower fire/safe marked – anodized black delivers the foundational quality required for a reliable build. This component is machined to exacting tolerances and features distinct, permanent selector markings for safe and fire positions. Whether you are completing a custom pistol or rifle platform, this 80% lower provides the clean aesthetic and functional integrity that serious builders expect.

Overview

The 80% lower fire/safe marked – anodized black is a raw pre-machined receiver that requires final material removal before completion. It is designed for users who prefer to finish their own lower receiver at home using standard jigs and tooling. The anodized black finish provides durable corrosion resistance and a uniform, professional appearance. Each unit is marked with clear, laser-etched fire and safe indicators on the selector pocket, eliminating guesswork during assembly. This part is sold as a non-firearm component and does not require an FFL transfer at the point of purchase.

Features & Specs

This 80% lower is manufactured from 7075-T6 aluminum billet and hardcoat anodized in black for maximum durability. The fire/safe markings are permanently applied and align correctly with standard selector switches. All critical dimensions are maintained to mil-spec tolerances, ensuring compatibility with standard lower parts kits and upper receivers.

• Manufacturer: 80%
• Category: Parts
• Material: 7075-T6 aluminum, hardcoat anodized black finish
• Clear fire/safe markings on selector pocket
• Unfinished trigger pocket and fire control group area

Who It’s For

This 80% lower fire/safe marked – anodized black is intended for experienced builders and hobbyists who have the tools and knowledge to complete the final machining steps. It is ideal for those who want a finished lower with factory-style selector markings without purchasing a serialized, completed receiver. If you are building a custom AR-style platform and prefer to retain control over the final machining process, this component is a direct solution. It is not intended for first-time builders without proper jig experience or for those seeking a fully assembled lower.

• Builders completing a custom AR-15 or AR-10 platform
• Hobbyists with access to a jig, drill press, and router
• Users who want a clean, anodized black finish with accurate fire/safe markings

Shipping & FFL

This part is classified as a non-firearm receiver blank and ships directly to your door without the need for an FFL transfer. No background check is required at the time of purchase. However, once you complete the machining process, the finished lower receiver is legally considered a firearm and must be serialized in compliance with all applicable federal, state, and local laws. It is your responsibility to ensure that completing this lower is legal in your jurisdiction. We recommend consulting with a licensed gunsmith or legal professional if you have any questions regarding compliance. No FFL transfer is required for this item.

• Ships directly to your residence or business
• No FFL transfer needed for purchase
• Buyer assumes all legal responsibility for final completion and serialization