All learning guides

Replica basics

Replicas, FPS and Joules

Understand AEG, gas and HPA systems, then learn why chronograph readings and venue rules matter more than internet claims.

Chapters

AEG, gas and HPA explained

A practical comparison of the common replica power systems and the maintenance each one needs.

FPS and Joules: what they mean

Learn the difference between velocity and energy, how BB weight changes readings and why every site has its own process.