Sizer are designed to match the ball size to the barrel. The type of ball, weather and manufacturer’s tolerances can all have an affect on a paintball size. To optimize your barrel performance it makes sense to have the right sizer for the ball used that day.
5 Sizers, they are:
.682 .685 .688. 691 .694
This barrel is compatible with 32 Degrees, Ariakon, Armotech, Brass Eagle, Diablo, Dragun PMI, GT Commandos, IconZ, Inferno, JT, Mongoose, Odyssey, PCS US5, Piranha, PMI, Rebel Extreme, Silver Bullets, Spyder, Spyder MR1, MR2, MR3, T68, Viewloader, ZAP