Field One Acculock Full Barrel Kit - Autococker - Dust BlackThe Field One Acculock Barrel Kit is the culmination of more than a year of design and testing by one of the world's top professional paintball teams, San Diego Dynasty, coupled with over 20 years of experience in the sport. When the Field One team set out to create their new barrel kit, they strived to develop something that stood above everything else out there. After a substantial amount of design, testing in the harshest conditions around, Field