subject: Paintball Guns - The Basics [print this page] There are different types of triggering modes available, some are pump action markers and some fully automatic. Pump paintball guns are like pump action shotguns that need to be manually re-cocked after every shot. This is a slower version among all the paintball guns and often players choose it for effective shots. It can fire in extremely steady rate if adapted properly. Semi-automatic trigger versions are also equally common for different purposes.