Cobra FS-380 Satin Stainless The Cobra FS-380 is a compact .380 ACP with a sleek satin-stainless finish that gives this little pistol a distinctive look. Its small, lightweight design makes it easy to handle and convenient to carry, while the simple blowback design keeps things straightforward. If you're looking for an affordable .380 with classic styling and a finish that stands out, the Cobra FS-380 is definitely worth a look.