Introduction: Bag Gun (Ammunition)Section 2 - 3-Inch Projectiles: 3-Inch A.P. Mk 29 Mod 1 and 2
U.S. EXPLOSIVE ORDNANCE
PART 1 - PROJECTILES, PROPELLANT,
AND PROECTILE FUZES
Chapter 1 - Projectiles
Section 1 - Introduction

Color and marking of older projectiles 3-inch and larger

In addition to the explosive filler, body color, spotting specifications, and base and band stamping mentioned above, the older projectiles had the following markings:

Tracer band: White band with three dots, indicating tracer color, 120° apart.

V.T. fuzing: One-half inch red band painted one-half inch abaft the nose fuze.

Stencilled on the body

Size, caliber, Mark and Mod of projectile

Mark and Mod of fuzes

Explosive filling and density of loading

Abbreviated name of loading depot

Initials of Chief Inspector

Date of filling and marking; any changes in filling, fuzing, etc.

Stanped on base

Weight before and after filling