ANCILLA Industries is a design and engineering firm based in San Diego, California, specializing in precision mechanical systems for defense and performance applications. We combine advanced R&D, aerospace-grade design, and precision manufacturing principles to create reliable, high-performance solutions where consistency and repeatability are critical. Our team blends expertise from mechanical design, defense innovation, and Special Forces operations to engineer systems that perform in the real world — not just on paper. ANCILLA's proprietary Precision Gas System™ powers the company’s inaugural prototype, the AVA-1 Rifle, which delivers bolt-action accuracy with gas-system repeatability. From concept to prototype, every project we take on is built to perform under pressure and maximize human survivability, capability, and safety.