With the exception of top of the line tournament style paintball marker, most paintball guns are semi-automatic.  This means one ball comes out per trigger pull.  It also means your gun will shoot as fast as you can pull the trigger!  In case semi-automatic isn't fast enough for you, more trigger options are available as an upgrade for most paintball guns; these are called electronic triggers.  Most e-triggers offer at least 3 firing options, semi-automatic, 3 round burst and fully automatic.

High pressure air tanks work great on any paintball marker, but are mostly used on tournament style guns.  Covering your hpa tank with a decorative tank cover is a smart way to protect your tank from dings and scratches.  Tank covers are available for CO2 tanks as well but the best selection is found for hpa tanks.  Paintball gun air tank covers come in a large variety of colors, patterns, cool designs and even custom artwork.  This offers tons of options for customizing your paintball marker/tank with matching accessories.

.43 Cal Paintball Pistols Outlawed in Canada

We can't figure out why Canadian Customs has put a ban on .43 caliber paintball pistols.  They do allow paintball in Canada, however cusoms can be tricky to send guns through.  Oddly, they won't bother with .