American police and other law-enforcement professionals are employing the H&K MP5 with increasing frequency for potentially or obviously dangerous encounters. It has replaced the shotgun in many patrol cars, the venerable lever action in prison guard towers, and is even found in the hands of U.S. Department of Agriculture rangers for varmint and predator control. A sound-suppressed version, the SD model, is sometimes fitted with telescopic sights and used as a short-range rifle to shoot out tires on suspects' vehicles prior to a raid.

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