Id just like to point out that the LA Ironmen have just won the world cup and they all seemed to have 16in barrels. So basically, you are doing it wrongwelcome to the world of paintballing mate!!!!!!
firstly i preferably recommend a 14" barrel, thats what ive used on all my guns and ive used 16"+ on ions and its just too long and you see yourslef standing far back from the inflatable as it doesnt fit with a tight profile as it is too ig and moving from one side to the inflatable to the other is harder. also i use football blades on the ground especially in the winter when you need grip more specially on grass