Polymer80 P80-JIG-RL556v3 Jig Kit: Professional AR-15 Lower Receiver Milling Solution
Transform your firearm building experience with the Polymer80 P80-JIG-RL556v3 Jig Kit, the industry-leading tool for precision machining of AR-15 lower receivers. Engineered for both professional gunsmiths and DIY enthusiasts, this comprehensive kit provides everything needed to create custom, high-quality firearm components with exceptional accuracy and reliability.
Why Choose the Polymer80 RL556v3 Jig Kit?
Building your own AR-15 lower receiver requires precision tools that deliver consistent results. The Polymer80 P80-JIG-RL556v3 stands out with its military-grade construction and user-friendly design. Unlike generic jigs that can lead to misalignment and wasted materials, this kit ensures perfect drilling and milling every time, saving you time, money, and frustration.
Key Features and Benefits
- Precision Engineering: CNC-machined aluminum jig components guarantee exact alignment for flawless receiver milling
- Complete Tool Set: Includes specialized drill bits, end mills, and alignment pins – no additional purchases required
- Enhanced Durability: Hardened steel components resist wear and maintain accuracy through multiple builds
- User-Friendly Design: Clear markings and intuitive setup process make it accessible for builders of all skill levels
- Universal Compatibility: Works with standard Polymer80 AR-15 lower receiver blanks and similar 80% lower receivers
Technical Specifications
| Model | P80-JIG-RL556v3 |
| Compatibility | AR-15 Platform Lower Receivers |
| Material | Aluminum Jig, Steel Tooling |
| Included Tools | Drill Bits, End Mill, Alignment Pins, Hardware |
| Weight | Approximately 2.5 lbs |
| Manufacturer | Polymer80 |
What’s Included in Your Kit
Every Polymer80 P80-JIG-RL556v3 kit contains precisely what you need for successful receiver completion:
- Main milling jig with precision guides
- High-speed steel drill bits (multiple sizes)
- Carbide end mill for clean pocket milling
- Alignment pins and installation tools
- All necessary hardware and fasteners
- Comprehensive instruction manual
Professional Results Made Accessible
Whether you’re building your first AR-15 or adding to your collection, the Polymer80 jig kit eliminates the guesswork from lower receiver machining. The tool’s design incorporates years of firearms manufacturing expertise, ensuring that even novice builders can achieve results that meet professional standards. The jig’s robust construction means it will serve you through numerous builds, making it an excellent long-term investment for any serious firearm enthusiast.
Why Buy From DC Gun Shop?
Q: Why should I purchase firearm tools and accessories from DC Gun Shop?
A: DC Gun Shop combines extensive industry expertise with competitive pricing and exceptional customer service. We thoroughly vet all our products to ensure they meet the highest quality standards, and our team includes experienced gunsmiths who can provide technical support and advice. When you shop with us, you’re not just buying a product – you’re gaining a trusted partner in your firearms journey. Visit our shop to explore our full selection of quality firearm components and accessories.

Ideal For Multiple Applications
This versatile jig kit serves various needs within the firearms community:
- Home Builders: Create custom AR-15 lowers without FFL requirements
- Gunsmiths: Professional tool for shop use and customer projects
- Firearms Enthusiasts: Perfect for personal collections and custom builds
- Training Programs: Excellent for firearms manufacturing and gunsmithing courses
Build With Confidence
The Polymer80 P80-JIG-RL556v3 represents the culmination of advanced manufacturing techniques and practical firearms knowledge. Each component has been tested to ensure it meets the rigorous demands of receiver machining. When you choose this kit, you’re selecting a tool backed by Polymer80’s reputation for quality and innovation in the firearms industry.
| Model | P80-JIG-RL556v3 |
| Compatibility | AR-15 Platform Lower Receivers |
| Material | Aluminum Jig, Steel Tooling |
| Included Tools | Drill Bits, End Mill, Alignment Pins, Hardware |
| Weight | Approximately 2.5 lbs |
| Manufacturer | Polymer80 |
Frequently Asked Questions – Polymer80 P80-JIG-RL556v3 Jig Kit - AR-15 Lower Receiver Milling Tool
- How fast does this ship?
- Ships in 1‑3 business days to your licensed D.C. FFL dealer after purchase and registration.
- Do I need registration?
- Yes. DC requires firearm registration, including a mandatory 10‑day waiting period after purchase approval from MPD before pickup. Handguns require registration, magazines <=10 rounds.
- Is this legal in D.C.?
- Yes, provided it complies with D.C. law (registered, no assault features, magazine ≤10 rounds).
- Is the Polymer80 P80-JIG-RL556v3 Jig Kit - AR-15 Lower Receiver Milling Tool suitable for me?
- This Polymer80 P80-JIG-RL556v3 Jig Kit - AR-15 Lower Receiver Milling Tool is popular for uses like new arrivals.
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