Police were called at around 3pm on Thursday, April 8, to Queensway, in Rugeley, following reports of a group with weapons.
Officers attended and found a small makeshift shooting range had been set up in nearby parkland.
A total of four weapons were recovered including two air rifles and two air pistols.
A 24-year-old man from Norton Canes and another 24-year-old man from Rugeley were detained on suspicion of possession of a firearm with intent to cause fear.
A woman, aged 19, was also detained and is due to be voluntarily interviewed by officers shortly.
The two men were later released under investigation while inquiries continue.
Sergeant Dave Westwood, of Cannock Neighbourhood Policing Team, said: “I would like to reassure the community that this was an isolated incident in which we successfully managed to get these dangerous weapons off the streets.”
Anyone with information should contact Staffordshire Police on 101 quoting incident number 455 of April 8.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.