No, it will not break paint. "Underboring" (using a barrel with a smaller bore than the paintball), is a thing used to gain maximum efficiency and consistency from a paintball marker, since no air is escaping around the paintball, and the same amount of air is pushed against it every time.
.68 caliber. the paintball standard.
the standard size is 68, there are a few off sizes like 43, 40 and 50 but the vast majority of paintball markers use 68 caliber and therefore it is the cheapest
It is the standard .68 caliber
standard .68
Standard .68
55 to 68 kgs
Almost every paintball gun out there is a .68 cal. so they should have em
Yes.
Standard .68
.68 caliber. same as the rest of paintball
.68