A 27-year-old man and a 23-year-old man were arrested in Perth in Scotland on suspicion of assault and firearms offences in Bolton earlier this month
A 17-year-old boy was also arrested for breach of bail.
All three remain in police custody for questioning.
Detective Superintendent Joseph Harrop, Head of Serious and Organised Crime, said: “Firearms have no place on our streets and our team are vigorous in their response to stamping out this type of crime, ensuring the public are safe and also feel safe.
“Investigations into incidents involving firearms are robust, utilising specialists resources to understand the circumstances that led to violence erupting, arrest suspects, and build case files to support prosecution.
“Today’s arrests in relation to the two discharges in Bolton demonstrates the force’s commitment to moving investigations involving firearms forward at pace – and we would like to thank our Police Scotland Colleagues for supporting us on this.”