Airsoft is a game and sport of strategy based on military simulation. imitation guns are used, commonly known as "replica" biodegradable firing small balls 6 or 8 mm diameter. Scenarios and equipment are similar to those that might be encountered in actual combat. The battlefields are usually equipped with walls, bunkers, trenches, towers, vehicles and other items to increase realism. The term comes from English and airsoft could be translated as "soft air", referring to the high speed but low power that is fired ammunition.