Firearms Unknown, established in 2013 in National City, California, is a well-known firearms shop in San Diego County. Originally focused on being the area’s top dealer for AR, 80% lower receivers, and Glock parts, the business expanded in 2020 after obtaining a Federal Firearms License (FFL). Now, the store sells all major brands of rifles, pistols, and shotguns, along with complete firearms, building on their reputation for quality products. The staff are experienced armorers or in training, making troubleshooting and repairs a specialty of the store. Customers appreciate the friendly and knowledgeable service, with many praising the staff for their patience and helpful guidance during purchases, repairs, and private transactions. The store is also known for its fun receipts and a good selection of firearms and parts. With additional locations in Oceanside and El Cajon, Firearms Unknown is considered a top spot for those looking to buy, build, upgrade, or repair firearms, offering a welcoming environment and expert assistance.
Great customer service did my test here and every time I come her they are always nice and polite answering all my questions and concerns about arms and safety.
December 2025
I Actually Came Here For A New Semiautomatic Rifle For Home Defense. Yup Definitely Wasn't Disipoionted. I Definitely Like The Great Customer Service I Received & Very Happy With My Selection. I Totally Recommend This Professional Shop. I Know They Will Help You With All Your Firearms Needs.
October 2025
I am relatively new to fire arms. I purchased a gun from an on line dealer that was delivered here despite it being non Ca compliant. The shop was very helpful and helped me get a gun that was similar and Ca Comp. I appreciate this shop and its knowledgeable and courteous employees.
