Airfix Model Aircraft Gloster Gladiator Mk I Mk II - Walk the High Street The Gloster Gladiator was developed from the Gloster Gauntlet as a private venture, and represented both the peak and the end of the biplane fighter. In many air arms it smoothed the transition to monoplane fighters, and in confronting aircraft of its own era it performed well. Online Models deliver throughout the UK.. We endeavour to despatch orders immediately but certainly within 48 hours receipt.