Wikipedia
ActionAirgun is a commercial action shooting sports game where competitors use standardized airsoft shooting kits to shoot special courses of fire and keep track of their scores online. It is a trademarked name of ActionAirgun LLC
The format is modeled after several competitive shooting sports such as IDPA, IPSC and Cowboy Action Shooting ActionAirgun fills a niche as a low cost entry-level action shooting sport, as the equipment used are reproductions of actual firearms such as the M1911 pistol but which use CO2 to shoot 6 mm plastic BBs.
Individuals compete solo or are a member of a fireteam. Fireteams have up to five members. An individual can compete on both levels during each season. The portable shooting range is 8’ by 16’. Spare rooms, garages, meeting rooms, basements, and gymnasiums have been used to set up a range. Courses of fire are a set of shooting instructions downloaded from the internet and used during the season to set up targets. Competition is between individuals or fireteam against fireteam. The rules of competition prohibit the modification of equipment. Everyone uses a standardized shooting kit. This sport places emphasis on the shooters skill.
Each year there are six seasons and each season is divided into six one-week stages. At the beginning of each stage competitors download courses of fire from the website. Each shooter has all week to practice and then enter their official shooting times before the next stage begins. Final results of the stage are kept secret until the beginning of the next stage. A database allows shooters from all over the world to compare their scores with other participants. During the sixth season the top competitors in the league are invited to a world championship.