Specialties: Since 2008, Mass Firearms has been the premier firearms training center for Massachusetts residents looking to obtain their firearms licenses. Our professional indoor range and modern facilities let us offer a first-class firearms education and expert training. Visit our shooting sports center in Holliston today! Established in 2008. We opened our doors on May 1st of 2008 and have...Specialties: Since 2008, Mass Firearms has been the premier firearms training center for Massachusetts residents looking to obtain their firearms licenses. Our professional indoor range and modern facilities let us offer a first-class firearms education and expert training. Visit our shooting sports center in Holliston today! Established in 2008. We opened our doors on May 1st of 2008 and have thoroughly enjoyed offering our services to the community. We're the largest firearms training school in the state.see more