28 mm Arisaka type 38 Carabine
The Type 38 rifle carabine was a bolt-action service rifle used by the Empire of Japan predominantly during the Second Sino-Japanese War and Second World War.
Intended for use by cavalry, engineers, quartermasters and other non-frontline troops, the Type 38 carbine was introduced into service at the same time as the standard Type 38. Its barrel was 487 millimeters (19.2 in), overall length 966 millimeters (38.0 in), and weight 3.3 kilograms (7.3 lb). The rifle lacked a bayonet.
The zip file contains the .stl file and is designed to be printed without supports in resin printers.