How to bid on 155mm Modular Artillery for Combat Effectiveness (MACE) for the DEPT of Defense

What the agency is buying and why it matters

The Department of Defense is looking for prototypes for 155mm Modular Artillery for Combat Effectiveness (MACE). This is an opportunity for businesses to develop and provide advanced artillery solutions for national defense.

Vendors who can innovate in military hardware and defense technology should consider this solicitation.

Key dates and what happens at the deadline

This opportunity was published on August 19, 2026. The deadline for submissions is September 30, 2026, at 3:00 PM ET. All required documents and proposals must be submitted by this time.

Late submissions may not be considered, so it is crucial to plan ahead and ensure all materials are prepared and submitted well before the deadline.

Who this opportunity suits

This opportunity is suitable for firms specializing in defense manufacturing, military technology, and advanced weaponry. Companies with expertise in artillery systems, modular designs, and combat effectiveness will find this particularly relevant.

The solicitation falls under the security category, indicating a need for robust and reliable solutions for military applications.

How to respond to this solicitation

To access the full details, including the Purchase Description and Packing and Unitization Drawings, you must first request them. This requires submitting specific contracting-approval documents.

You will need to complete and submit Attachment 12 Technical Data Request Questionnaire, Attachment 6 Non-Disclosure and Non US Agreement, and Attachment 14 DD2345 Military Critical Technical Data Agreement. These documents are necessary for contracting approval before the detailed specifications are provided.

To begin, click “View original source” to open the opportunity on the portal. If the first click takes you to the homepage, click it again to go directly to the bid. You may need a free account to view some documents.

Practical tips for preparing a competitive response

Given the requirement for prototypes, focus on demonstrating your firm's technical capabilities and innovative approach. Clearly articulate how your proposed MACE prototype meets or exceeds the combat effectiveness requirements.

Pay close attention to all instructions in the Prototype Project Opportunity Notice (PPON) and its attachments. Ensure all required forms, especially the technical data request documents, are accurately and completely filled out to avoid delays in receiving the full specifications.

Start the process of requesting the purchase description and packing drawings as soon as possible, as this involves multiple steps and approvals. This will give you sufficient time to develop a comprehensive and compliant proposal once you have all the necessary information.