The Thunder. 380 ACP is one of Bersa’s best selling models because of its numerous and valuable features. The Bersa Thunder is known for its accuracy, reliability, versatility, and its lightweight and compact design. The Thunder has earned its worldwide reputation for quality and for having the best performance for its price on the market. The lightweight, and small-frame design combined with Bersa’s time-tested reliability and accuracy make this .380 ACP pistol the ideal choice for personal protection. This firearm has so many things to appreciate for something so little.