Restock: M42A1 Duster – Twin 40mm Self-Propelled Anti-Aircraft Gun


About the M42 Duster:

The M42 “Duster” was a self-propelled anti-aircraft gun that mated a twin 40mm Bofors anti-aircraft cannon on a modified M41 Walker Bulldog tank hull. Designed during the Korean War, the M42 saw extensive action during the Vietnam War although it was used primarily against ground targets and not in its intended anti-aircraft role. Essentially a giant twin machine gun, the M42 could fire 40mm high explosive shells at a rate of 240 rounds per minute, making this one of the most effect anti-personnel weapons of its day. The M42 was also equipped with one or two M1919 or M60 machine guns for close-up self-defense. It was often used in a convoy protection role and was exceptionally well suited for base parameter defense. The M42 was fielded by American and Allied forces throughout much of the Cold War, but was phased out of service in most countries during the 1970s and 80s.


  • Weight: 24.8 tons (loaded)
  • Crew: 4-6
  • Armor: 9-25 mm
  • Main armament: M2A1 40 mm twin anti-aircraft gun with 336 rounds
  • Secondary armament: 1 x M1919A4 7.62 mm machine gun or 7.62mm M60 machine gun
  • Engine: 6-cylinder air-cooled gasoline (500 hp, 375 kW)
  • Power/Weight: 22.2 hp/t
  • Operational range: 160 km (99 mi)
  • Speed: 72 km/h (45 mph)

Additional information about this Brickmania custom building kit:

The M42 Duster comes with the following features:

  • Functional Brickmania Track Links™ tank treads
  • Fully rotating turret and posable main guns
  • Three opening hatches to access internal crew compartment
  • Two custom-printed Vietnam War era minifigs
  • Helmets and weapons from BrickArms, including six exclusive overmolded four-round 40mm ammo clips
  • 1/35 scale to match other Brickmania models.
  • Includes 577 genuine new-condition LEGO®, Brickmania and BrickArms® elements
  • Intermediate Skill Level (3-5 years of experience with LEGO is recommended)


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