It is black and has a telescopic sight on it. The cop must have thought it was an assault weapon with telescopic sights./s
Some years back, campus cops called the local police when they saw a procession on campus, led by a guy with a naked sword. (It was the local Masonic Lodge.) The SWAT team showed up, all ready to start shooting. THEN someone called the sheriff, who happened to be a Lodge Brother...
A mass slaughter was averted, but only just.