Tippmann 98 Hammerhead Fin Bore Barrel Sizer - 0.686 Optics/Flashlights/Lasers Quick release thumbscrews for easy

Quick release thumbscrews for easy attachment/removal

This new lightweight

and great consistency

Just pull the pin and throw

Tippmann 98 Hammerhead Fin Bore Barrel Sizer - 0.686 Optics/Flashlights/Lasers Quick release thumbscrews for easyHammerhead Fins (Sizers) are designed to match the ball size to the barrel. The type of ball, weather and manufacturers 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. HammerHead Fins are 2 in length which is an optimal length based on the amount of air pressure that occurs during the first two inches of a ball being shot out of a paintball