A handgun, 5kg of cocaine and £100,000 in cash were found in an Upminster home.
Jamie Williams, 37, of Amery Gardens, Gidea Park, is one of two men to face charges relating to supplying the Class A drug following the bust.
National Crime Agency (NCA) and Met officers, working through the Middle Market Drugs Partnership (MMDP), arrested two men in Pimlico, one in Greencoat Place and a second nearby in Denbigh Street.
During a search of an address in Bird Lane, Upminster, officers recovered a further five kilos of cocaine, a handgun, nine rounds of ammunition, around £100,000 cash, a CS gas canister, cutting agents, a hydraulic press and drug packaging equipment.
Jamie Williams was charged with being concerned in the supply of cocaine, possession of a firearm and money laundering.
Abdimislam Abdi, 38, of Erasmus Street, Westminster, was charged with being concerned in the supply of cocaine.
Both men appeared at Westminster Magistrates’ Court on Friday and were remanded in custody until their appearance at Southwark Crown Court next Monday.
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