25-mm High-Explosive Tracer Projectile25-mm Armor-Piercing Projectile
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 1
NAVY PROJECTILES
25-mm High-Explosive Tracer (Self-Destroying) Projectile
Fuzing: Model 1 or Model 4.
Weight of projectile, filled (without fuze): 4.16 ounces.
Length of projectile (without fuze): 3.43 inches.
Length of complete round: 8.24 inches.
Filling: TNT and aluminum with a black powder core in the lower pellet.
Weight of projectile filling (including tracer): 0.72 ounce.
Color and markings: Red over all.

Remarks: There is no external marking to distinguish the self-destroying rounds from those that are not self-destroying.

Figure 361 – 25-mm High-Explosive Tracer (Self-Destroying) Projectile.

25-mm High-Explosive Tracer Projectile25-mm Armor-Piercing Projectile