Ace 72599 - 1:72 203 mm Stalin's Sledgehammer B-4

1:72 scale plastic model kit of the 203 mm B-4 “Stalin’s Sledgehammer” howitzer

The Ace 72599 kit depicts the legendary Soviet B-4 heavy howitzer, nicknamed “Stalin’s Sledgehammer.” This massive 203 mm artillery gun was among the most powerful field weapons of World War II, used to destroy fortifications and provide direct fire support during urban assaults such as the Battle of Berlin.

Model specifications:

• Scale: 1:72
• Model length: approx. 12 cm
• Manufacturer: Ace
• Difficulty level: intermediate

Note: Glue, paints, and tools are not included.

About the kit:

The kit features finely molded parts with detailed carriage, gun barrel, and elevation mechanisms. It can be built in either transport or firing position, making it ideal for diorama use. The model accurately captures the imposing design of this famous Red Army weapon.

Recommended tools:

• Modeling knife or sprue cutters
• Files or sandpaper
• Plastic cement
• Brushes or airbrush
• Acrylic or enamel paints in Soviet green and metallic shades

About the B-4 203 mm howitzer:

The B-4 heavy howitzer was developed in the Soviet Union in 1931 and remained in service for decades. Firing 100 kg shells up to 18 km, it proved highly effective against fortifications and in direct fire against enemy positions. The gun played a key role in battles such as Leningrad, Kursk, and Berlin, earning its nickname “Stalin’s Sledgehammer.” Some units continued to serve after the war in modernized form.

Technical data of the real weapon:

• Origin: USSR
• Caliber: 203 mm
• Weight: approx. 17,700 kg
• Maximum range: 18,000 m
• Shell weight: approx. 100 kg
• Crew: 15–17 men
• Year introduced: 1931

About Ace:

Ace is a Ukrainian manufacturer of 1:72 scale plastic model kits focusing on World War II and Cold War-era military vehicles and artillery. Known for uncommon subjects and historical accuracy, Ace kits are valued by modelers who enjoy building detailed representations of less typical equipment.