HOMEOEM MANUFACTURINGCAPABILITIESCONTACT US Who Are We? Founded in Y2K, Stubborn Mule is a 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 complex “parts on time” for a demanding customer base. From “delivery of 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. Contact Us OEM INQUIRIES

O.E.M Manufacturing While our core business is related to components and assemblies for small arms manufacture in general, we have the capability to produce a wide range of parts and assemblies per engineered specifications. Stubborn Mule manufactures billet custom AR-15 upper and lower receivers, billet chassis, handguards, and accessories for several clients. We work with our OEMs jointly to produce precisely what they are looking for in a finished product. Providing quality OEM services, we make it our mission to be the best manufacturing partner an OEM could have. Our size and flexibility enable us to deliver and tailor precisely to your needs. If you are sourcing precision machined components and need a responsive, quality, domestic source, please contact us for a quotation. (Link Below) Machining Capabilities We can provide you CNC machining services with following capabilities: • Machining Process: Drilling, Thread Milling, Tapping, Reaming, Parting/Cutting, Profiling, Facing, Threading, Pocketing, Countersinking, Boring, Counter boring • Tolerances: ± .0002 in, ±.005 mm • Materials: Steel, Alloy Steels, Aluminum, Stainless Steel, Brass, Bronze Alloys, Carbon Steel • Machinery Axis: 3-Axis, 4-Axis, 5-Axis Industries Industries Served by Stubborn Mule MFG. CNC Machining Services We are known to extend our CNC machining services to a wide range of industries, which are as follows: Energy ATV Marine Motorsports Machine Tool High-Tech Electronics Military If you are interested in knowing more about our CNC machining services, please contact our professionals at the earliest. You can get in touch with our experts via phone or email. Call us on (541) 955-6548, or mail us your requirements and queries at info@stubbornmule.com. Contact Us OEM INQUIRIES