Finland’s largest airsoft milsim event returns in 2026. Battlegroup brings together hundreds of airsoft players for a massive multi-day military simulation set on a real training area in Halli, Jämsä, Finland.

The video highlights the scale, atmosphere and intensity of one of the biggest airsoft events in Europe. Large factions, coordinated missions, vehicles, reconnaissance teams and continuous gameplay create a unique milsim experience where strategy, teamwork and endurance decide the outcome on the battlefield.

Players from across Finland and other European countries join the Battlegroup series every year to take part in immersive operations across forests, roads and military-style terrain. Expect large firefights, tactical movement, realistic equipment and cinematic airsoft moments.

Whether you enjoy milsim, large airsoft battles, tactical gameplay or realistic military simulation events, the video shows what makes Battlegroup one of the best-known airsoft events in Northern Europe.