A handgun and a quantity of live ammunition have been recovered after a warrant was executed at a property in Handfield Street, Everton.
Officers attended at the property at just before 6.30pm yesterday, Tuesday 5th February. A small cannabis farm was also located within the property.
The firearm has been recovered for forensic examination.
A 48 year-old man was arrested on suspicion of a section one firearm and production of cannabis.
He is currently in custody where he will be questioned by detectives.
Detective Inspector Colin Rennison said: "Thankfully this is another firearm that has been removed from our streets which means that it cannot be used to cause fear or intimidation.
"Information from our communities is vital. If anyone has any information about those involved in gun crime or who knows where weapons are being stored, I would urge them to contact us so that we can make our streets safer."
Anyone with information can contact the gun crime hotline on 0800 230 0600, DM @MerPolCC or call 101 or Crimestoppers anonymously on 0800 555 111.