Description

Premium Fire/Safe Marked Billet 80% Lower Assembly

Overview

This premium fire/safe marked billet 80% lower assembly is machined from 7075-T6 aluminum billet stock in a US-based facility. Each lower is marked with clear fire and safe selector engravings and is drilled to 80% completion, requiring final machining by the end user. The assembly is designed for builders who demand precise mil-spec tolerances and a clean, anodized finish without unnecessary branding. This premium fire/safe marked billet 80% lower assembly meets industry standards for raw dimensions and material hardness.

Features & Specs

• Machined from solid 7075-T6 aluminum billet; hard coat anodized per MIL-A-8625 Type III, Class 2
• Fire and safe markings laser-engraved on the selector pocket; compatible with standard AR-15 fire control groups
• Complete 80% machining includes trigger pocket, hammer pin holes, and selector detent channel; fire control pocket dimensions held to +/- 0.001 inch
• No serial number; no jig included; compatible with standard AR-15 LPK and buffer tube assemblies

This premium fire/safe marked billet 80% lower assembly is designed to accept mil-spec trigger groups and safety selectors without modification. The billet construction provides increased material density compared to forged lowers, and the pocket dimensions are verified for consistent fit with drop-in triggers. Each unit is inspected for surface finish and critical tolerances before packaging.

Who It’s For

This component is for individual builders who intend to complete the lower as a personal firearm in compliance with all applicable federal, state, and local laws. It is suited for those with access to a drill press, jig, and end mill or router setup. The premium fire/safe marked billet 80% lower assembly is appropriate for first-time builders who have researched the legal requirements and for experienced builders who prefer billet geometry over forged receivers. This product is not intended for commercial resale as a finished receiver.

• Individual builders completing a personal firearm for non-commercial use
• Enthusiasts seeking a billet lower with factory-applied fire/safe markings
• Builders who require verified mil-spec pocket dimensions for trigger and safety fitment

Shipping & FFL

This premium fire/safe marked billet 80% lower assembly is not a firearm and may be shipped directly to your residence. No Federal Firearms License (FFL) transfer is required for purchase or shipment. You are solely responsible for verifying that possession and completion of an 80% lower receiver are legal in your jurisdiction. Some states and localities restrict or prohibit the purchase, possession, or completion of unfinished receivers. By purchasing this product, you confirm that you are legally permitted to own and complete it. We recommend consulting with a firearms attorney if you have questions about compliance. This product is sold as a raw component and must be completed by the end user.

• Shipped via USPS or UPS to residential addresses; no signature required
• No FFL transfer needed; no background check required for purchase
• Check your state and local laws before ordering; no cancellations after shipment