Users
| Country | Organization name | Quantity | Date |
|---|---|---|---|
| Australia | Australian Defence Force | _ | _ |
| Austria | EKO Cobra | _ | _ |
| Bangladesh | Bangladesh Armed Forces | _ | _ |
| Canada | Canadian Forces | _ | _ |
| York Regional Police | _ | _ | |
| Toronto Police Service | _ | _ | |
| Royal Canadian Mounted Police (RCMP) | _ | _ | |
| China | Made unlicensed copies by Norinco as the Norinco HP9-1 and used by the People's Liberation Army as the standard shotgun | _ | _ |
| Finland | Finnish Army | _ | _ |
| Germany | Bundeswehr | _ | _ |
| Greece | EKAM counter-terrorist unit of the Hellenic Police | _ | _ |
| Hong Kong | Used by various units of Hong Kong Police such as Special Duties Unit and Police Tactical Unit | _ | _ |
| Hungary | Hungarian Armed Forces | _ | _ |
| Ireland | Army Ranger Wing | _ | _ |
| Israel | Israel Defense Forces | _ | _ |
| Republic of Korea | Republic of Korea Naval Special Warfare Brigade | _ | _ |
| Luxembourg | Unité Spéciale de la Police group of the Grand Ducal Police | _ | _ |
| Malaysia | Malaysian Special Operations Force | _ | _ |
| Sweden | Swedish Armed Forces | _ | _ |
| Switzerland | Swiss Armed Forces (designated Mehrzweckgewehr 91; MzGw 91) | _ | _ |
| United Kingdom | United Kingdom Special Forces (designated L74A1) and some Specialist Firearms Officers (as a breaching weapon) | _ | _ |
| United States | U.S. Border Patrol | _ | _ |
| U.S. Department of Education | _ | _ | |
| U.S. Military (designated M870) | _ | _ | |
| U.S. Secret Service | 1,600 | 2001 | |
| Internal Revenue Service | _ | _ | |
| Various police forces such as the California Highway Patrol (since 1965), Phoenix, Arizona SWAT, and Sparta, New JerseyAlaska Department of Corrections]] Police Department | _ | _ |
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