Take your custom AR-15 build to the next level with the Patriot Arms and Supply Builder’s Set—a matched receiver set engineered for precision fit, enhanced aesthetics, and dependable performance. Designed for builders who want a clean, professional look with tight tolerances, this set provides the perfect foundation for a high-quality rifle build.
Each builder’s set is manufactured to mil-spec standards, ensuring compatibility with a wide range of AR-15 components while maintaining superior alignment between the upper and lower receivers. The matched design reduces play and delivers a more refined, solid feel compared to standard receiver combinations.
Whether you're building a precision range rifle, hunting platform, or tactical carbine, this builder’s set gives you the consistency and customization you need.
Key Features:
Matched Patriot Arms and Supply Upper & Lower Receiver Set
Precision machined for tight, consistent fit
Mil-Spec compatibility with most AR-15 components
Enhanced receiver alignment for improved performance
Clean, uniform finish for a professional appearance
Ideal foundation for custom AR-15 builds
What’s Included:
- Patriot Arms and Supply Assembled Upper Receiver
- Patriot Arms and Supply Stripped Lower Receiver
- 13.5" MLOK Handguard
Specifications:
- Platform: AR-15
- Type: Builder’s Set (Stripped Lower Receiver, Assembled Upper Receiver)
- Handguard: 13.5" MLOK
- Caliber: Multi-Cal
- Material: 7075-T6 Aluminum
- Finish: Anodized, OPTIONAL Cerakote – Specify Color
Why Choose a Builder’s Set?
✔ Matched receivers for superior fit and finish
✔ Eliminates wobble commonly found in mixed receivers
✔ Ideal for high-end or precision builds
✔ Full control over your component selection
Important Information:
This is a stripped builder’s set (no internal parts included)
Lower receiver must ship to a valid FFL dealer
Buyer is responsible for compliance with all local, state, and federal laws
