More on the Joules versus FPS debate in airsoft as Airsoft Headquarters talk about it in this first part of their video... "This is a regularly discussed concept to beginner and novice AND experienced players that seem to forget that they do not need to utilize one single heavy BB weight for every gun (including pistols). This video was dedicated to breaking down the basic concept of joules and velocity and the next video will be the application on the field."

Should airsoft power limits be measured in terms of Joules or FPS? Crawley Surplus Store give their take on this in this blogppost written by GIJoe... "Arguably, one of the most important terms used within airsoft, certainly when it comes to gun safety and operation, is joules. All players should have at least a basic knowledge and understanding of this particular property of a gun, while knowing how they differ and how they correlate.