12-cm (120-mm) Shrapnel Projectile15-cm (150-mm) Ammunition
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 4 – Section 1
ARMY PROJECTILES
12-cm (120-mm) Armor-Piercing High-Explosive Projectile
Weight of projectile, filled (fuzed): 20 kg. (44 pounds).
Weight of filling: 1.3 kg. (2.9 pounds).
Filling: Picric acid.
Diameter at bourrelet: 119 mm (4 11/16 inches).
Length over-all: 379.4 mm (14 15/16 inches).
Length protruding from case: 339.7 mm (13 3/8 inches).
Width of rotating band: 11.1 mm (7/16 inch).
Fuzing: Type 88 small base fuze (howitzer, mortar type).
Case: Refer to the shrapnel projectile.
Propellant: Refer to the shrapnel projectile.
Weapons in which used: Type 38 howitzer.

Figure 280 – 12-cm Armor-Piercing High-Explosive Projectile.

12-cm (120-mm) Shrapnel Projectile15-cm (150-mm) Ammunition