Best Gun Shops in Groton

The Mill is widely regarded as one of the premier firearms retailers in the Groton area, located just minutes away in neighboring Littleton. Known for exceptional customer service and expert staff, they offer an extensive selection of handguns, rifles, shotguns, and tactical firearms. Their in-house gunsmithing services are highly respected, handling everything from basic repairs to custom builds and NFA items. The shop maintains a comprehensive inventory of ammunition, optics, and accessories, plus they offer comprehensive training courses including Massachusetts LTC certification. Their knowledgeable team provides personalized service for both new and experienced shooters.

While located in Westborough, Mass Firearms School serves the entire central Massachusetts region including Groton residents. They operate one of the state's most comprehensive firearms training facilities with an indoor range and extensive retail showroom. The shop features a well-curated selection of handguns, rifles, and defensive firearms, with staff who are particularly skilled at helping first-time buyers navigate Massachusetts' complex firearms laws. They're renowned for their training programs, including the required Massachusetts LTC course, advanced defensive handgun, and women-only classes. Their transfer services are efficient and reasonably priced.

Four Seasons Firearms has been serving Massachusetts shooters for over two decades and draws customers from Groton and surrounding communities. They operate both a retail showroom and full-service gunsmithing operation, specializing in high-end custom work, restoration, and precision machining. The shop carries a diverse inventory from practical defensive firearms to collectible pieces and hunting rifles. Their gunsmithing team handles everything from simple sight installations to complex custom builds and historical firearm restoration. Known for their technical expertise and old-school craftsmanship, they provide reliable service for both modern tactical firearms and classic collectibles.