And this is not just for the FBI:
From the First Amendment to the RFP:
AUTHORIZED BUYERS
In addition to the FBI, the following U.S. Government entities may purchase pistols and/or parts under the contract:
United States Department of State, Bureau of Diplomatic Security
United States Marshals Service
Department of Alcohol, Tobacco, and Firearms
United States Postal Service
United States Treasury Department
Drug Enforcement Agency
United States Capitol Police
United States Park Police
United States Department of Energy
Office of Inspector General (all Federal agencies) United States Department of Defense9
From the First Amendment to the RFP:
AUTHORIZED BUYERS
In addition to the FBI, the following U.S. Government entities may purchase pistols and/or parts under the contract:
United States Department of State, Bureau of Diplomatic Security
United States Marshals Service
Department of Alcohol, Tobacco, and Firearms
United States Postal Service
United States Treasury Department
Drug Enforcement Agency
United States Capitol Police
United States Park Police
United States Department of Energy
Office of Inspector General (all Federal agencies) United States Department of Defense9