Description

80% Lower Fire/Safe Marked – Anodized Black

Overview

This 80% lower fire/safe marked – anodized black receiver is a foundational component for builders who demand factory-level marking precision without the FFL transfer process. Engineered from billet 7075-T6 aluminum, this un-machined lower is compatible with standard AR-15 mil-spec upper assemblies and fire control groups. The anodized black finish provides corrosion resistance and a uniform appearance, while the engraved fire/safe markings ensure clear, permanent selector indication after completion. Whether you are starting a new build or replacing a damaged lower, this 80% lower offers the structural integrity and marking accuracy required for a reliable platform.

Features & Specs

The 80% lower fire/safe marked – anodized black is manufactured to strict tolerances by 80% Arms, a trusted name in the parts category. Each lower is CNC machined from solid billet aluminum and Type III hard coat anodized for durability. The fire/safe markings are laser engraved before anodizing, ensuring they remain legible through years of use. Key specifications include:

• Manufacturer: 80% Arms | Category: Parts | Material: 7075-T6 aluminum billet
• Finish: Type III Class 2 hard coat anodized black | Weight: approximately 0.9 lbs
• Compatibility: Standard AR-15 mil-spec lower parts kits, buffer tubes, and pistol grips

• Markings: Laser engraved “FIRE” and “SAFE” in standard selector positions
• Pocket 80% complete; requires final machining of trigger pocket, trigger pin holes, and selector detent channel
• Includes: One 80% lower receiver with fire/safe markings, no jig or tooling included

• Designed for home builder use with commercially available jigs and router or drill press
• No serial number; end user assumes responsibility for compliance with all local, state, and federal laws
• Anodized black finish reduces glare and provides consistent color across the receiver

Who It’s For

This 80% lower fire/safe marked – anodized black is intended for experienced builders who have the tools and knowledge to complete the machining process. It suits hobbyists who prefer to control the final trigger geometry and finish quality of their lower receiver. It is also appropriate for those who want a clean, factory-style lower without the serialization requirements of a completed receiver. If you own a router jig and a drill press, or have access to a CNC machine, this 80% lower provides a cost-effective starting point for a custom AR-15 build. Beginners should have prior experience with firearm machining or seek professional guidance before attempting completion.

Shipping & FFL

This product is classified as an unfinished firearm component and does not require transfer through a Federal Firearms License (FFL) dealer when shipped within the United States. However, it is your responsibility to verify that ownership of 80% lowers is legal in your state and municipality. Some states and localities impose restrictions on the purchase, possession, or completion of unfinished receivers. By ordering this 80% lower fire/safe marked – anodized black, you confirm that you are legally eligible to own firearm components and that you will comply with all applicable laws. We ship via UPS Ground or FedEx Ground, signature may be required at carrier discretion. No returns or exchanges on unfinished receivers once packaging is opened. Check your local laws before ordering.