I know a bunch of liberal gun owners. Here's an article in Vocativ by Ethan Harfenist and Jacob Steinblatt about this growing group.
Membership increased by 10 percent since election for the Liberal Gun Club, which provides "a voice for gun-owning liberals and moderates in the national conversation on gun rights." Vocativ found an entire subreddit dedicated to Liberal Gun Owners, a four-year old community that has close to 7,000 subscribers and includes a thread dedicated to liberal gun stores.
It appears that some of those who lean left don't want to fork over money to shops run by trigger-happy, extreme right-wing folks who sell target sheets shaped like Hillary Clinton and stickers that read "Muslim Free Zone." It makes sense, at a time when consumers are more aware than ever about the values backed by their favorite businesses and services