A close copy of the SA-22 was made by the Chinese company Norinco and imported into the US by Interarms as the Model ATD.

[2][3] It has been offered in several "grades" of engraving and gold inlay, and is a widely collected gun, especially those manufactured in Belgium.

This feature was intended by the designer to keep the user's face "protected from gasses and flying particles while firing", at which it succeeds especially for smaller people.

Downward-ejected hot spent cases can become trapped in a shirt sleeve, so care should be taken to avoid this with proper hand placement on the forend.

It has occasionally been sold with a factory fitted hard case, or with scope mounting grooves on the receiver.