The UNITEC Barrel front is one of the lighest barrels on the market. it not only add style to your marker but also allows you to size your paintballs correctly to give your self the best accuracy in game. 
 
The barrels come in different bore sizes and verious colours/lengths. This allows you to change the style of your marker and length of your barrel, while adjusting the bore size of the barrel.
 
The UNITEC Starter kit include a barrel back adn two of the most comenly used barrel bore sizes (89 and 93)