Users
- Albania: The RENEA special forces have recently purchased a number of HK417s, in use as designated marksman with Schmidt & Bender rifle scope.
- Australia: 16-inch variant with 6x ACOG; acquired by the Australian Army as an interim marksman solution for use in Afghanistan, with permanent fielding expected in future.
- Brazil: Used by the Brazilian Federal Police.
- Germany: The German Army uses the G28, a modified version of the HKMR308, as a designated marksman rifle.
- Denmark: In use by the Royal Danish Army and the Danish Homeguard's Special Support and Reconnaissance Company as a marksman rifle.
- Ireland: In use with Army Ranger Wing snipers.
- Italy: Used by the COMSUBIN special forces of the Italian Navy.
- Malaysia: In used by the Pasukan Khas Laut sniper teams of the Royal Malaysian Navy
- Netherlands: The Korps Commandotroepen and Unit Interventie Mariniers have the HK417 in use by the observers or spotters of their sniper teams.
- Norway: The Norwegian Army has recently bought a number of the HK417 and will mainly use it as a marksman rifle.
- Poland: Used by Policja.
- Portugal: Used by UPF and Army Comandos
- Slovakia: Used by the 5th Special Forces Regiment.
- United Kingdom: Reportedly used by the Army's Special Air Service regiment.
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