"Show them the door, or your gun, and tell them they can buy their own billboard and pay for it like I did," the staff member said.

Reaction on the shop's Facebook page started slowly Sunday, but grew more heated as the post was shared nationally, with critics taking on conservatives, President Trump and gun owners.

Words like "racists," "bigots" and "hate speech" have come up a lot in the comments and some mentioned that the post went up the same day as a mass shooting at the Gilroy Garlic Festival in Santa Clara County, California that left four dead, including the gunman, and at least 15 injured.

"Freedom of speech," wrote Denise Piccoli Patterson. "The truth always hurts."

"Your sign is putting a target on these US Reps. What... is wrong with you? REPORTING YOUR BUSINESS TO ACLU AS A HATE GROUP," posted Mo Neal on Facebook.

"There was a 6 year old boy shot to death in California yesterday in a mass shooting by a white supremacist who bought in to all the hateful, racist rhetoric," wrote Christine Wagner. "Words have consequences."

"The WORLD LOVES TRUMP!" responded Aimee Wilkes. "Your little tag team group of cry babies better get used to losing..."