Product Overview
The Blemished 80% Lower Receiver (Fire/Safe Marked, Anodized Black) is a precision-machined aluminum forging designed for the experienced firearms enthusiast and builder. This product is an 80% lower, meaning it is not a firearm as sold and requires machining to completion, offering a project for those who understand the tools, process, and legal responsibilities involved. Primarily chambered in .56, it serves as the foundational component for building a custom rifle, allowing for personalization and a deeper understanding of the platform’s mechanics. It is ideal for hobbyists, machinists, and builders seeking a high-quality, functional receiver at a value price, with the understanding that it may exhibit minor cosmetic imperfections from the forging process.
Key Features
- Cosmetic Blemishes, Uncompromised Function: These lowers may have minor scratches, dings, or finish variations inherent to the forging process. These are purely aesthetic and do not affect the structural integrity, dimensional accuracy, or performance of the receiver.
- 6061-T6 Aluminum Frame: Constructed from aerospace-grade 6061-T6 aluminum, this lower provides an optimal balance of strength, durability, and lightweight characteristics, ensuring a reliable foundation for your build.
- Matte Black Anodized Finish: The hard-anodized black finish offers excellent corrosion resistance and a low-glare surface. It is engineered to provide a consistent color match with most standard mil-spec upper receivers.
- Fire/Safe Markings: The receiver blank comes pre-marked with “FIRE” and “SAFE” engravings, a detail often sought by builders for a finished look, even before their own machining work begins.
- Full Mil-Spec Compatibility: Designed to precise military specifications, this lower is engineered to accept all standard AR-15/M16 parts kits, buffer tubes, grips, magazines, and stocks, ensuring broad compatibility for your custom configuration.
- Value Proposition: By accepting minor cosmetic flaws, builders gain access to a fully functional, high-specification 80% lower at a reduced cost, making it an intelligent choice for a working build or a first project.
Performance & Applications
Custom Rifle Builds: This lower is the core starting point for a fully customized rifle. Builders can select every component—trigger, stock, safety selector—to tailor the firearm’s ergonomics, trigger pull, and overall feel to their exact preferences, resulting in a uniquely personal firearm.
Machining & Gunsmithing Project: For the hobbyist machinist or those learning firearms manufacturing, this 80% lower provides a practical project. Completing the fire control group pocket and drilling the trigger pin holes requires precision tooling (like a jig and drill press or CNC) and skill, offering hands-on education in gunsmithing fundamentals.
Dedicated Platform Build: Given its specified .56 caliber compatibility, this lower is an excellent choice for builders creating a dedicated upper receiver combination in a corresponding chambering, ensuring the lower is optimally paired for a specific shooting discipline or use case.
About Blemished
Blemished has established itself as a straightforward, value-oriented brand within the firearms components market. Their model is simple: identify first-quality receivers with minor, non-structural cosmetic flaws from the manufacturing process and offer them directly to informed consumers at a discount. This approach demonstrates a practical understanding of manufacturing realities—where cosmetic imperfections do not equate to performance issues—and respects the builder’s ability to discern the difference. By focusing on the core attributes of material quality and dimensional specification over perfect finish, Blemished caters to a community that prioritizes function and value, building trust through transparency about the product’s condition.
Why Buy From Imbert Smither Arms
Imbert Smither Arms, based in San Carlos, CA, operates as a specialized retailer for firearms components and accessories. They focus on supplying distinct parts to knowledgeable builders and enthusiasts. Their inventory, which includes items like the Blemished lower, reflects a curation for a specific market segment. For those sourcing components for a build, they serve as a potential supplier for various project parts. As with any purchase, ensuring compliance with all federal, state, and local laws regarding the acquisition and completion of an 80% receiver is the sole responsibility of the purchaser.
Make Your Decision
If you are a builder who values mechanical integrity and precise specifications over a flawless exterior, this Blemished 80% Lower presents a clear opportunity. You are acquiring a 6061-T6 aluminum forging with a hard-anodized finish and full mil-spec compatibility, with the only concession being superficial marks from its production. It is a component for those with the tools, knowledge, and intent to complete it in accordance with all applicable regulations. For a functional project foundation at a value-driven price point, this lower is a pragmatic and reliable choice.
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Technical Specifications
Frequently Asked Questions
Who is this product for?
This is ideal for discerning buyers who prioritize quality and reliability.
What warranty is included?
Blemished stands behind this product with their manufacturer warranty.
What makes this product stand out?
The Blemished � 80% Lower Fire/Safe Marked � Anodized Black combines quality construction with reliable performance, offering exceptional value.
Is this a quality product?
Blemished has built their reputation on quality, and the Blemished � 80% Lower Fire/Safe Marked � Anodized Black exemplifies that commitment.
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