Joules is the derived International System unit of kinetic energy. Given everything the same in your airsoft gun (compression, spring, barrel length, etc), FPS is relative to the BB weight you are using but the kinetic energy it produces is always the same. This means that if your airsoft...
AEG’s must shoot <1.5j. DMR <2.5j. Bolt must shoot <3j (MED Applies). Check out this chart for FPS / Joule conversion Still have questions? Check with a staff member when you arrive and we’ll help you get dialed in.© 2024 FORESTFIRE AIRSOFT. Proudly powered by Sydney ...