Grille30-30.5cm(Grw)L/16 Morser 'BAR' (BEAR)                                    

The Sturm-Infanteriegeschütz 33B was a German self-propelled heavy assault gun used during World War II, particularly in the Battle of Stalingrad. It was designed to provide close-range infantry support, especially in urban fighting or against fortified positions. The vehicle mounted the powerful 15 cm sIG 33 heavy infantry gun onto a modified Sturmgeschütz III chassis, offering significant protection to its five-man crew. The Sturm-Infanteriegeschütz 33B was effective in demolishing buildings and strongpoints, making it a valuable asset in the intense urban combat of Stalingrad. Despite its limited numbers, it showcased Germany's efforts to field heavy infantry support weapons for close-quarters combat.