FN FAL rifle explained

How the FN FAL functions. Principle of the gas operated action. How works the regulator. The gas cylinder plug. Gasses regulation procedure. Firing cycle of the FN FAL. Cocking the FN FAL. Ducing the loaded magazine. The cocking handle. The hold open latch. Firing cycle explained. The change lever three positionnings. Detailed analyse of the bolt unlocking.