Detectives have foiled an alleged "kill team" planning a hit near a daycare centre, leading to the arrest of three men.

NSW Police officers arrested the men inside two separate cars after conducting a police operation on River Road at Revesby in Sydney's south-west close to 4pm on Tuesday.

Assistant Commissioner Scott Cook said the "calculated and coordinated intervention" prevented an alleged organised crime hit near a daycare centre.

"This is a deeply concerning scenario," he says.

Multiple firearms, balaclavas, body-worn cameras, and jerry cans containing fuel were seized during searches of the two cars and a property linked to the men.

Two men, aged 18 and 19, have been charged with multiple offences, including conspiracy to commit murder, possessing an unauthorised pistol, partic

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