The Pylon Syndicate MXP is a next-generation +5 base pad extension for Gen3 PMAG magazines — The unit installs without tools and features a patent-pending spring-locked detent push-pin system, making it one of the most user-friendly magazine extensions on the market. Designed, engineered, and manufactured in the United States, it adds capacity (5 rounds on PMAG 10/20/30; 6 rounds on PMAG 40) while maintaining lightweight, rugged performance. The MXP has a CNC aluminum housing and QP nitride 4140 PH steel pin held in place with existing AR-15lower kit parts.
• Made in the USA: Fully designed, engineered, and manufactured in the United States (even our card stock and clam packs are made in USA).
• Scalable product line: With further Pylon-tech offerings (including 7.62 PMAG and Glock versions just around the bend), this product line is positioned to change the magazine extension standard industry-wide.
Our Manufacturing Advantage
We offer a vertically integrated suite of manufacturing capabilities that can take on any level of domestic production in the small arms space. FFL/SOT, ISO, AS9100:D | ISO9001:2015. If you make things that like to fly or go to space we can do that too.
• Full Design & Drafting Services: Our engineering team stands ready to support custom design, prototyping, and iterative development — from concept to first articles.
• Robust OEM Network: We maintain a domestic OEM ecosystem with access to multi-axis CNC machining resources, including 3-, 4-, and 5-axis CNC stations, precision fabrication partners, and finishing houses (DLC, Ano, Cerakote).
• Rapid Turnaround + Scalability: Leveraging vertical integration and premier partner capabilities, we can support accelerated delivery schedules without compromising quality or compliance. If you’ve got prints, we can move fast.