From the publisher's website:
Display your talents and immerse yourself in adventure with Star Wars®: Edge of the Empire™ Specialization Decks! Available through FFG’s in-house manufacturing, each Edge of the Empire Specialization Deck comes with twenty talent cards for a single specialization, so players and GMs can keep the text of a character’s abilities at their fingertips. With these cards in hand, you can spend less time researching your options and more time experiencing the thrills of life on the Outer Rim.
Gunslingers draws fast, shoots first, and asks questions later. They know how to keep their cool when threatened and their deadly accuracy lets them efficiently take out an adversaries. Often lawless and always dangerous, Gunslingers go forward with guns blazing and bravely take on whatever challenges life in the Outer Rim deals out.
The Gunslinger Specialization Deck contains:
2 cover cards (including a reference guide for each deck)
20 standard sized talent cards