Bersa Thunder 22, Double Action/Single Action, Semi-automatic, Metal Frame Pistol, Compact, 22LR, 3.5 Barrel, Alloy, Nickel Finish, Polymer Grips, Fixed Sights, 10 Rounds, 1 Magazine T22NKL The Bersa Thunder Series has been designed to deliver pinpoint accuracy and rugged reliability under the toughest conditions. The Bersa Thunder offers numerous valued features - accuracy, reliability and versatility in a lightweight, compact design.