These kilted soldiers are shown in the standard positions to form square. The square was an infantry formation designed to repel the standard Cavalry charge. The Square was Famously utilized at the battle of Waterloo, when the British and Dutch under Wellesley formed Square on a reverse slope defensively to counter the combined cavalry charge of French Marshall Ney.
These positions are kneeling at the ready, standing ready to fire, and reloading.
These are 54mm all white metal soldier kits, from Imrie-Risley miniatures.