Type 7 30cm Howitzer
- Short Barrel
Introduced Year : 1918- Caliber : 305 mm
- Barrel Length : 5.015 m (L16)
- EL Angle of Fire : 2 to +73 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 398.7 Kg
- Muzzle Velocity : 400 m/sec
- Weight : 59.217 ton
- Range : 11,750 m
- Production Qty : 10
Long Barrel
Introduced Year : 1918- Caliber : 305 mm
- Barrel Length : 7.22 m (L23)
- EL Angle of Fire : 2 to +73 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 398.7 Kg
- Muzzle Velocity : 500 m/sec
- Weight : 97.7 ton
- Range : 14,800 m
- Production Qty : 20
Type 7 had two versions, the long barrelled gun and the short barrelled gun. Type 7 was used in Bataan and Corregidor Island of the Philippines in 1942.