The materials used, along with its extremely simple design allowed the gun to be made and marketed inexpensively.

A stamped steel receiver cover rests over the top of the bolt, sandwiching it in place.

The receiver cover hinges at the front of the frame and latches onto the rear of the bolt assembly.

[5] A small, ambidextrous[6] switch on the frame actuates a trigger block safety.

The Sport-22 featured a non-threaded barrel and a 10-round rotary magazine[2] to comply with the now expired 1994 U.S. firearms legislation which forbade the sale of the original TEC-22 model.