A gun was found in a JD Sports bag alongside other weapons.
Police carried out a warrant on Friday, November 4 at an address on Calgarth Road in Huyton. Officers found class A and class B drugs inside the house.
Pictures posted on Facebook by the Knowsley Police branch of Merseyside Police also showed numerous weapons which were found in the address. These included a knuckleduster, a replica gun, a cleaver and other large knives.
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Officers searching the house also found a suspected stolen scrambler bike. Following the warrant, a man was arrested on suspicion of numerous offences, police said.
A spokesperson for Merseyside Police said on Saturday: "Yesterday, Friday 4th November, officers from Huyton Community Team executed a warrant at an address on Calgarth Road in Huyton. A quantity of Class A and Class B drugs were located, along with several weapons, replica firearms and a suspected stolen scrambler bike.
One male was arrested on suspicion of numerous offences. We are committed to taking drugs and weapons off our streets to make them safer for our communities.
"If you have any information, please get in contact with us on 101, through our website at https://orlo.uk/16boQ or anonymously through Crimestoppers."
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