From The Manufacturer/Wikipedia/People Smarter Than Us:
The new Colt .380 Mustang Pocketlite and Mustang XSP are small, lightweight and boast enhanced durability, reliability and accuracy, making either an ideal handgun for personal protection. The precise machining process, use of high quality materials and improvements in design make Colt’s new .380 Mustang Pocketlite and Mustang XSP two of the most consistent and reliable firearms on the market.