The US Army Has Used The Similar Ammo Packaging Since WWII – That May Be About To Change

The U.S. Army is understood for its fixed innovation in army tech, from next-generation combat vehicles to novel AI-assisted data management tools. However, not every part within the Army has advanced shortly. The U.S. Army has been utilizing the identical ammunition packaging since World War II — however that is about to alter. 

In August 2026, the Picatinny, New Jersey-based U.S. Army Combat Capabilities Development Command Armaments Center revealed the SixPAC, which consists of two polymer ammunition containers enclosed in an outer layer made from metal. The U.S. Army had struggled with its provide pipeline for its steel ammo circumstances, partially owing to a prolonged manufacturing course of and an absence of U.S.-based suppliers. It spent a couple of decade creating new containers that may be simpler and quicker to acquire. 

At the time of writing, there are 800 U.S.-based molders that may create the brand new polymer circumstances with out counting on a backed up manufacturing pipeline, based on the U.S. Department of War. The U.S. Army has additionally thought-about utilizing 3D printing expertise to spice up future ammo field manufacturing within the occasion of emergency situations, however additional analysis is required earlier than that may occur. That mentioned, several companies that make high-tech weapons have turned to 3D printing, and the Army actively leverages 3D printing expertise (which it refers to as “additive manufacturing,” or “AM” for brief) to be used in short-term substitute car components and defensive buildings.

Aside from being extra handy to acquire, the Army’s new ammunition packaging provides a key sensible profit. At simply 2.8 kilos, the polymer-based ammo circumstances are about half as gentle because the prior full-metal circumstances had been. That could not seem to be an enormous leap, however per the Department of War, Army service members had maintained that “each ounce counts” towards decreasing their gear burden and rising their agility, particularly aboard weight-sensitive watercraft and plane.

The up to date polymer-based ammunition circumstances had been examined (and nicely obtained) by a number of troopers between 2024 and 2025, however the U.S. Army hopes to conduct additional testing earlier than approving and implementing a ultimate design. Polymer’s sturdiness for army makes use of within the U.S. additionally must be confirmed in a spread of situations, together with after it has been saved for a number of years. “It’s a creating discipline, and polymers are distinctive — you may modify them, embody components that enhance impression efficiency, stiffness or dimensional stability,” mentioned Edward Lucas, a mechanical engineer and the lead designer of the polymer ammo containers. Once the circumstances are prepared, they’re for use for small-caliber ammunition, comparable to 5.56 and .50 rounds.