FN303 modified for paintball

This video is a demonstration of the FN303 which has been modified to shoot standard paintballs Tiberius Arms First Strike Rounds at the legal limit of 300FPS and under. The modification involved disassemble of the FN303, opening up the valve and inserting spacers inside the volume chamber to remove the massive amount of volume required for the standard riot rounds. As you can see in this video, the FN303 cycles perfectly at sub280fps, and has full range from 2