Pathfinder’s® Ultimate Combat introduced rules for firearms and CandleLight Games, LLC Infinite Firearms™ further expands these rules. This Expansion Deck deals with Discovery Era, or Advanced Carbines. Carbines use a light rifle ammunition, standard or assault, but are noticeable smaller, and lighter, than their full sized cousins. Carbines sacrifice range for usability at close quarters. 12 different Discovery Era carbines, including Assault Carbines (Such as the M-4) and Combat Shotguns. The final card 6 cards in this 18 card expansion deals with weapon qualities such as Fully Automatic and the Variable Magazine. - from the publisher's blurb