== Additional References ==
=== Airsoft Master ===
[https://www.airsoftmaster.com/fps-chart-for-airsoft-guns/ Airsoft Energy Chart] covering multiple ammunition masses.
=== Texas Airsoft Organization ===
([http://texasairsoft.org/content.php?127-Muzzle-Energy&s=f5933aee13290d0cbc818dd1b27be055 Chart on TASO site], [https://web.archive.org/web/20071014054556/http://www.texasairsoft.org:80/index.php?page=chrono Archived])