Bison Sd.Kfz.138/M1 Late Version German Tank with 150mm SiG-33 Self-Propelled Gun 1/72 UniModels

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The SIG-33 gun was based on the chassis of tank Pz.Kpfw.38(t). The crew was protected by the cabin. In November 1943 production started on a new tank hunter Sd.Kfz.138/1 Ausf.M. Its arms consisted of a 150mm sIG-33/1 gun. The thickness of the front armor was 25mm and the ammo supply was eighteen rounds. The crew consisted of five members. In total 288 were manufactured and in 1944 it was appropriated the name “Bizon”.

UniModel recommends Humbrol paints for this kit, and you can find the full line here:


Product Details:

Scale: 1/72

Skill Level: 3

Length: 2.7”

Width: 1.2”

Height: 1.4”

Plastic parts: 151

Photo-etched parts: 5

- Molded in grey

- Includes decals for two versions

- Painting and assembly required

- Injection-molded plastic parts with surface details

*Cement is recommended for polystyrene plastic*


Paint Guide:

Matte Black

Matte Steel Grey

Matte Desert Yellow

Matte Natural Wood

Matte Rust