Product Overview
The P80 G150 AR-15 80% Receiver Kit in Black is a two-pack of unserialized polymer lower receivers designed for the experienced firearms enthusiast who enjoys the process of building and customizing their own platform. This kit is engineered for individuals who possess the technical skill, proper tools, and understanding of federal and state regulations surrounding 80% receivers. Each receiver in this pack is an 80% lower, meaning it requires machining and finishing to become a functional firearm component. The primary use is to serve as the foundational starting point for a custom AR-15 build, allowing for a personalized rifle or pistol that meets specific performance or ergonomic requirements. Crafted from Polymer80’s proprietary composite, the G150 offers a distinct alternative to traditional aluminum lowers.
Key Features
- Solid-Core Polymer Composite Construction: Utilizing Polymer80’s advanced proprietary polymer, the G150 features a solid-core design that enhances rigidity and durability where it counts, reducing flex and providing a stable platform for upper receiver mating.
- Stiffened Magwell & MIL-Spec Buffer Tube Housing: Critical stress points are reinforced. The magwell is engineered for consistent magazine insertion and release, while the buffer tube housing is built to MIL-Spec dimensions for reliable compatibility with standard stock and buffer system components.
- Unique No-Thread Pistol Grip Design: This lower features a specific no-thread design in the pistol grip area, streamlining installation and requiring a compatible grip, which contributes to a clean, integrated look and feel.
- Gen2 Phoenix Design Enhancements: As the second-generation “Phoenix” model, this iteration incorporates design refinements learned from end-user feedback and testing, focusing on overall structural integrity and user experience during the finishing process.
- Two-Pack Value: This kit provides two identical black 80% lower receivers, offering significant value for builders planning multiple projects or those who wish to have a spare on hand for future customizations.
- Lightweight Foundation: The polymer construction results in a notably lightweight lower receiver, which can contribute to an overall reduction in the build’s weight compared to standard aluminum counterparts.
Performance & Applications
The P80 G150 80% Receiver is the starting point for highly personalized firearms. Its applications are defined by the builder’s intent and skill.
Custom Lightweight Builds: Ideal for constructing a dedicated lightweight AR-15, perhaps for hiking, competition, or extended carry. The polymer lower serves as the core of a build focused on minimizing weight without outsourcing core receiver machining. Paired with a lightweight upper and components, it can yield a remarkably agile firearm.
Specialized Training or Rimfire Platforms: The durability and cost-effectiveness of the polymer lower make it a suitable candidate for a dedicated .22 LR AR conversion build or a high-round-count training rifle. The reduced weight can be beneficial for training newer shooters, and the finish-yourself nature allows for a highly customized fit.
Ergonomic & Aesthetic Personalization: For the enthusiast who prioritizes unique ergonomics or aesthetics, this 80% receiver is a blank canvas. The finishing process allows for precise fitment of aftermarket triggers, safety selectors, and other lower parts. The no-thread grip area accepts specific compatible grips, allowing the builder to create a lower that is uniquely tailored to their hand and shooting style.
About P80
Polymer80 is a recognized leader in the firearms manufacturing industry, specifically known for its innovation in polymer frame and receiver technology. The company has built its reputation on engineering advanced composites and precision designs that meet the demands of serious builders. Their focus on research, development, and rigorous testing protocols ensures that products like the G150 AR-15 80% Receiver are not generic components but are the result of deliberate design choices aimed at solving specific challenges—such as weight, rigidity, and user interface—inherent to firearm platforms. This expertise establishes a benchmark for what a modern polymer receiver can be.
Why Buy From Imbert Smither Arms
Located in SAN CARLOS, CA, Imbert Smither Arms operates with a focus on providing specialized components to the building community. We understand the technical nuances of products like the P80 G150 and are positioned to serve enthusiasts who seek specific items for their projects. Our inventory is curated to support the detailed work of customization and building, ensuring access to the foundational parts required for a complete build.
Make Your Decision
The P80 G150 AR-15 80% Receiver 2-Pack is a substantive offering for the informed builder. It provides a modern, lightweight polymer foundation with design features aimed at enhancing the building and shooting experience. Your decision should be based on your comfort with the finishing process, your desire for a polymer-based lower, and your specific build goals. This kit delivers value and flexibility for those looking to exercise full control over the creation of their AR-15 platform from the very beginning.
Polymer 80 AR-15 80% G150 Lower Receiver Gen 1 and Gen 2 Comparison and Review
Technical Specifications
Frequently Asked Questions
What warranty is included?
P80 stands behind this product with their manufacturer warranty.
Who is this product for?
This is ideal for discerning buyers who prioritize quality and reliability.
What makes this product stand out?
The P80 G150 AR-15 80% Receiver Kit – Black combines quality construction with reliable performance, offering exceptional value.
Is this a quality product?
P80 has built their reputation on quality, and the P80 G150 AR-15 80% Receiver Kit – Black exemplifies that commitment.





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