Havlin Sales & Service, founded in 1988, specializes in providing parts and accessories for obsolete and vintage Mossberg firearms. Victor Havlin, a Mossberg historian and president of the National Mossberg Collectors Association (NMCA), is recognized as one of the foremost authorities on Mossberg firearms. The company not only offers a wide range of parts for older Mossberg models but also serves as a hub for Mossberg enthusiasts and collectors through the NMCA, which they co-founded. Havlin Sales is well-regarded for its deep knowledge of Mossberg products and its commitment to preserving the history and functionality of these classic firearms.