TC 3-20.31-256 describes the M256 120-millimeter (mm) cannon through descriptions of components and functions, principles of operations, serviceability and inspection, and weapon record data.

The target audience includes commanders, trainers, M1-A1, M1-A2 SEP V2/V3 Abrams crewmembers, personnel selected to attend Abrams Master Gunner School and Abrams Master Gunners of maneuver units. This publication applies to all M256 cannon systems in an Armored brigade combat team, and Infantry battalions and Cavalry squadrons not assigned to a brigade combat team. Units are assigned to organizations.

Introduction

TC 3-20.31-256 provides a mastery level of knowledge and understanding of the M256 120-millimeter (mm) cannon’s components, functions, capabilities and highlights basic inspection and record keeping procedures. The information in TC 3-20.31-256 is an accumulative development of knowledge, designed to improve Master Gunners, leaders, and crews understanding of the M256, to a level of mastery that enables units to achieve a higher level of lethality.

IN COLOR

This book is a “BIG” size (the size of a regular sheet of paper). This website also has the popular “mini” (half the size of a regular sheet of paper).

The binding is with coil, allowing easy flipping of pages without jamming.

The color covers are laminated for weather protection with black and white inside printing.