Duncan's Gunworks - San Marcos

Duncan's Gunworks, located in San Marcos, California, is a family-owned gun shop with nearly 70 years of trusted service in Southern California. We offer an extensive inventory of new, used, and collectible firearms including handguns, shotguns, rifles, and ammunition. Our store also provides a comprehensive selection of optics, knives, flashlights, gun safes, and hunting gear to meet the needs of enthusiasts and first-time buyers alike. Our knowledgeable staff is dedicated to providing personalized service and guidance to ensure you find the right firearm or accessory for your needs. We also feature expert gunsmithing services on-site, offering repairs, custom modifications, refinishing, trigger jobs, scope installations, and even custom gun builds. As a California-based retailer, we strictly comply with all state and federal firearm laws, including the mandatory 10-day waiting period, background checks, and magazine capacity limits. Whether shopping in-store or online, customers can expect a professional, responsible, and welcoming environment. Duncan's Gunworks is committed to supporting the local community by providing quality products, safety education, and exceptional customer care.