Description
AR9 80% Lower Fire/Safe Marked – 9mm – Billet
Overview
This AR9 80% lower fire/safe marked – 9mm – billet is a precision-machined component designed for builders who require a dedicated 9mm platform. Manufactured from billet 6061-T6 aluminum, this lower receiver is marked with clear fire and safe selector positions, eliminating the need for aftermarket engraving. As an 80% lower, it requires final machining of the fire control pocket before assembly, giving you full control over the build process. The AR9 80% lower fire/safe marked – 9mm – billet is compatible with standard AR15-style lower parts kits and accepts Colt-pattern 9mm magazines, making it a straightforward choice for a dedicated 9mm pistol or carbine build.
Features & Specs
Built from billet 6061-T6 aluminum, this lower offers the strength and dimensional stability required for a reliable 9mm platform. The fire/safe markings are laser-etched and color-filled for permanent legibility. This AR9 80% lower fire/safe marked – 9mm – billet is manufactured to mil-spec tolerances with an anodized black finish for corrosion resistance. Key features include:
- Billet 6061-T6 aluminum construction with anodized black finish
- Permanently laser-etched fire/safe markings on both sides
- Accepts Colt-pattern 9mm magazines and standard AR15 lower parts kits
- Includes rear takedown pin detent hole and threaded bolt catch pin for easy assembly
Who It’s For
This product is intended for individuals who are legally allowed to manufacture a firearm for personal use and possess the tools and skills to complete the lower receiver. It is not a finished firearm and cannot be transferred as such. The AR9 80% lower fire/safe marked – 9mm – billet is suitable for hobbyists, gunsmiths, and builders who want a dedicated 9mm platform without the need for magazine block adapters. It is also appropriate for those who prefer the ergonomics of an AR-style platform in a 9mm caliber for training, competition, or recreational shooting. You must comply with all applicable federal, state, and local laws regarding the manufacture and possession of firearms.
Shipping & FFL
This AR9 80% lower fire/safe marked – 9mm – billet is not classified as a firearm by the ATF and can be shipped directly to your residence or business. No Federal Firearms License (FFL) transfer is required for this item. However, you are responsible for ensuring that your state and local laws permit the possession and completion of 80% lowers. We recommend checking with your local law enforcement or legal counsel before purchasing. This product is sold as a non-functional blank and does not include a serial number. All sales are final. We do not provide machining services or instruction. By purchasing this item, you certify that you are not prohibited from owning or manufacturing firearms under federal law.
- No FFL required for direct shipment
- Shipped via common carrier with signature confirmation
- Customer must verify local legality before ordering




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