Mud Test: 7.5 FK BRNO
This video details a rigorous mud test of the 7.5 FK BRNO polymer frame pistol, firing the potent 7.5 FK cartridge. The expert instructor demonstrates the firearm's performance after complete submersion in mud and subsequent rinsing. The test highlights potential reliability issues in extreme conditions, with the pistol failing to fire or cycle after the mud immersion, though the Holosun optic remains functional.










