Product Overview
The Polymer80 AR15 80% Receiver w/ Jig Kit represents a foundational component for the experienced firearms enthusiast looking to undertake a personalized build project. This product is an 80% lower receiver, meaning it is not classified as a firearm and requires machining to be completed. It is crafted from a durable polymer frame material and is designed for the semi-automatic AR-15 platform. Ideal for builders who value customization and hands-on involvement, this kit provides the core starting point for creating a unique rifle tailored to specific preferences for sport shooting, hunting, or collection.
Key Features
- Durable Polymer Construction: The receiver is engineered from high-strength polymer, offering a significant weight reduction compared to traditional aluminum lowers while maintaining robustness for reliable performance.
- Complete Jig Kit Included: The package comes with the necessary jig, templates, and drill bits to accurately complete the machining process, streamlining the project for the builder.
- Full Mil-Spec Compatibility: Designed to work seamlessly with standard mil-spec AR-15 lower parts kits, buffer tube assemblies, and any standard forged or billet upper receiver, ensuring wide parts availability.
- Simplified Design for Accessibility: As a more accessible version of Polymer80’s advanced models, this lower offers a straightforward platform that is well-suited for builders seeking a proven, no-frills starting point.
- Build Flexibility: Provides the exact functionality of a standard AR-15 lower, allowing you to configure caliber, trigger group, stock, and grip to your exact specifications for a truly custom firearm.
Performance & Applications
This Polymer80 receiver is the cornerstone for several specific build types. For the precision rimfire trainer, its lightweight polymer construction pairs excellently with a .22 LR conversion upper, creating an affordable, low-recoil platform for high-volume practice. Varmint hunters will appreciate the weight savings when building a lightweight hunting rig, perhaps in calibers like .350 Legend or 6.5 Grendel, where every ounce counts during long stalks. Finally, it serves as an ideal base for a dedicated training rifle, allowing you to replicate the ergonomics and manual of arms of your primary AR-15 while keeping round count and wear on a separate, cost-effective platform.
About Polymer80
Polymer80 is a recognized leader in the firearms manufacturing space, specifically known for pioneering high-quality polymer frame solutions and 80% receiver kits. The company has built its reputation on engineering expertise, utilizing advanced polymers and precise molding techniques to produce components that meet rigorous performance standards. Their focus on empowering knowledgeable enthusiasts with the tools for legal, custom builds has established them as an authoritative voice in the DIY firearms community. This particular AR-15 80% lower reflects their commitment to providing functional, reliable, and accessible options for serious builders.
Why Buy From Blythes Sport Shop
Blythes Sport Shop, located in Valparaiso, IN, is a established retailer known for serving the needs of responsible firearms owners and builders. They provide access to a curated selection of components, from Glock handguns and ammo to specialized build kits, ensuring customers have the right parts for their projects. Their focus is on supplying products to knowledgeable individuals who understand their local laws and the responsibilities of firearm ownership and construction.
Make Your Decision
The Polymer80 AR15 80% Receiver w/ Jig Kit is a practical choice for the informed builder seeking a lightweight, compatible, and customizable starting point. It requires the builder to have access to tools, machining knowledge, and a clear understanding of the legal regulations surrounding 80% receivers in their jurisdiction. If you are prepared for a hands-on project and value the ability to create a rifle configured to your exact needs, this kit provides a solid foundation. Ensure you are familiar with all federal, state, and local laws before purchasing.
Polymer 80 Ar15 Lower ,Any Suggestions On How To Build It Up?
Technical Specifications
Frequently Asked Questions
Who is this product for?
This is ideal for discerning buyers who prioritize quality and reliability.
Is this a quality product?
Polymer80 has built their reputation on quality, and the Polymer80 AR15 80% Receiver w/ Jig Kit exemplifies that commitment.
What makes this product stand out?
The Polymer80 AR15 80% Receiver w/ Jig Kit combines quality construction with reliable performance, offering exceptional value.
What warranty is included?
Polymer80 stands behind this product with their manufacturer warranty.






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