Inventor Emilio Ghisoni (1937–2008), who was also famous for later designing the Chiappa Rhino, is listed as the owner of U.S. patent 4,712,466 which details the operation of the weapon.

The rearward motion of the upper assembly cocks the hammer, and the cylinder is rotated on the forward stroke.

[3] After this receivership period, all remaining stock leftover including parts was sold to CDNN Investments in Abilene, Texas and liquidated at discount rates.

Typical .38 Special loads do not have enough power to fully cycle the recoil mechanism, but the weapon will still function with a double-action trigger pull.

Replacing the spring requires the removal of the slide assembly, which is blocked by a retaining pin held in place by a small set screw in the trigger guard.