Who Are We?
Founded in Y2K, Stubborn Mule is production machine shop located in the incredible Pacific Northwest. We manufacture a wide range of precision components for clients throughout the aerospace and defense industries, priding ourselves on unsurpassed efficiency, quality, and customer service.
We possess a broad range of modern-day CNC equipment, old-school know-how, and the ability to deliver highly complex parts on time to a demanding customer base. From delivery of the first article to long-term production, we understand the importance of intelligent engineering and overall cost reduction.
Stubborn Mule is a Type 7 FFL/SOT, with extensive experience with ATF compliance. We manufacture private label components under variance for OEM customers throughout the firearms industry.