8-cm (76.2-mm) (3-Inch) Shrapnel Projectile8-cm (76.2-mm) (3-Inch) (Ordinary Mk 3 Mod 1) High-Explosive
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 1
NAVY PROJECTILES
8-cm (76.2-mm) (3-Inch) Complete Round (Fixed)
Case:
Length: 16.06 inches.
Diameter of base: 4.13 inches.
Material: Brass.
Weight (empty): 6.25 pounds.

The case is crimped tightly into a groove in the base of the projectile by a single conti-nuous crimp.

Propellant:

20 C3 (type 89 propellant): 2.039 pounds (0.927 kg.).

Unperforated cylindrical sticks, approximately 2 mm (0.078 inch) by 12 3/4 inches, amber-colored double-base powder.

The propellant sticks are enclosed in a bag of heavy brownish silk. Primer Mk 2 case per-cussion primer, Model 4.

Weapons in which used: Type 88 8-cm/40 dual-purpose gun; 8-cm/40 type 3-year dual-purpose gun.

The latter gun is a pedestal-mounted gun with a breech block sliding diagonally down to the right. Althrough designed as a ship-board mount, it is commonly found mounted in fixed emplacements ashore for antiaircraft and coastal defense.

Figure 376 – 8-cm Complete Round (Fixed).

8-cm (76.2-mm) (3-Inch) Shrapnel Projectile8-cm (76.2-mm) (3-Inch) (Ordinary Mk 3 Mod 1) High-Explosive