Police said they found four people on top of a parking garage at Southwest First Avenue and Jefferson Street on Aug. 4 with three rifles, all in cases.
The men let a sergeant inspect the rifles. None of the rifles was loaded. One was disassembled. All the men had concealed weapons permits, according to police.
The men told police they planned to stay at the garage and "act as a quick extraction team'' in case someone from their group was injured during the demonstration.
A sergeant instructed the men to store the rifles in a locked container in the back of one of their pickups and place any ammunition in a different part of the truck, and they complied. Police made no arrests.
No laws were broken and there was no imminent danger to the public, police said Tuesday.