Polymer80 AR-15 80% Lower Receiver with Jig Kit – Complete Build Solution

Build Your Custom AR-15 with the Polymer80 80% Lower Receiver and Jig Kit

Take control of your firearm construction with the Polymer80 AR-15 80% lower receiver and jig kit. This comprehensive package provides everything you need to legally build your own AR-15 rifle from an unfinished receiver. Perfect for gunsmithing enthusiasts, DIY builders, and those seeking personalized firearm options, this kit combines precision engineering with user-friendly design.

Complete Build Solution

The Polymer80 kit includes both the 80% lower receiver and the necessary jig for machining completion. Unlike traditional firearms that require FFL transfers, this 80% receiver allows you to bypass that process since it’s not considered a firearm until finished. The included jig ensures accurate drilling and milling, making the completion process accessible even for those with basic workshop tools.

Premium Polymer Construction

Manufactured from high-strength polymer composite materials, this receiver offers exceptional durability while maintaining lightweight characteristics. The polymer construction provides excellent impact resistance and dimensional stability, ensuring reliable performance under various conditions. The material also offers natural corrosion resistance, making it ideal for long-term use in different environments.

Key Features and Benefits

• Legal DIY Construction – Build your firearm without FFL transfers for personal use
• Complete Jig Kit – Includes all necessary fixtures for precise machining operations
• High-Strength Polymer – Durable, lightweight material with excellent impact resistance
• Standard AR-15 Compatibility – Works with most AR-15 parts and accessories
• Pre-Drilled Pin Holes – Includes pre-drilled trigger and hammer pin holes for easier completion
• Reinforced Design – Strategic reinforcement in high-stress areas for enhanced durability

Technical Specifications

This Polymer80 receiver features standard AR-15 dimensions and mounting points, ensuring compatibility with most aftermarket parts. The receiver maintains proper magazine well dimensions and includes pre-marked locations for all necessary machining operations. The jig system provides precise guidance for drill press or milling machine operations.

Why Choose Miami Shooters Supply?

At Miami Shooters Supply, we’re committed to providing quality firearms components and exceptional customer service. Our team includes experienced gunsmiths and shooting enthusiasts who understand your needs. We offer competitive pricing, fast shipping, and reliable support for all your firearm building projects.

Frequently Asked Questions

Why buy from Miami Shooters Supply?

We combine industry expertise with genuine customer care. Our team has hands-on experience with firearm construction and can provide practical advice for your projects. We maintain strong relationships with manufacturers to ensure product authenticity and competitive pricing. Plus, we’re committed to legal compliance and responsible sales practices.

Ideal For Multiple Applications

This Polymer80 kit serves various purposes including custom rifle builds, gunsmithing projects, educational workshops, and personal defense firearm construction. Whether you’re building your first AR-15 or adding to your collection, this kit provides a solid foundation for creating a reliable, personalized firearm.

Note: This product is intended for legal personal use only. Users are responsible for complying with all federal, state, and local laws regarding firearm construction and ownership. Completion of an 80% receiver into a functional firearm may require specific tools and skills.