105 mm Howitzer NA M101/33
Chilean Army

Introduction
The M101/33 is a towed howitzer of Dutch origin. It is an upgrade program for existing M101 towed howitzer, which were produced in the United States during and after World War 2. A similar 33-caliber upgrade was developed in France.

Design
The M101/33 upgrade replaces the older 22-caliber barrel with a 33-caliber one with a muzzle brake. Additionally a newer range of ammunition is offered. The longer barrel increases the range, especially when combined with rocket assisted ammunition. Other than the barrel the M101 remains mostly unaltered. In order to reduce stress on the carriage the shield is either removed or cut down in size.