Seiler Instrument is a contract manufacturer of complex instruments, machined parts, assemblies, and subassemblies with core competencies in design and engineering, machining, assembly, testing, inspection, and servicing. Seiler is the Original Equipment Manufacturer for the optical fire control used on all United States howitzer and mortar systems. This includes the manufacture of telescopes, periscopes, telescope mounts, periscope mounts, aiming circles, fire control quadrants, and more. Seiler machines, assembles, and tests products for the United States Government, military contractors, and companies in the private sector.
Within our realm of machining, assembly, and testing capabilities, Seiler also specializes in the inspection, repair, overhaul, and refurbishment of the artillery fire control used on all existing United States howitzer systems as well as many howitzer systems used by our allies. Refurbished fire control can extend the life of your weapon system at a fraction of the cost to replace the damaged or depreciated instrument.