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

What the agency is buying

The Department of Defense is seeking proposals for the 155mm Modular Artillery for Combat Effectiveness (MACE) prototype project. This is an opportunity for businesses to contribute to advanced military technology.

Detailed purchase descriptions and packing information are available, but require specific documentation to be submitted first.

Key dates and deadlines

The deadline for submitting proposals is October 30, 2026, at 3:00 PM ET. This deadline was extended from an earlier date to allow vendors more time to prepare their responses.

It is important to submit all required documents and your proposal before this exact time to be considered.

Who this opportunity suits

This opportunity is suitable for firms with expertise in security, defense manufacturing, or advanced artillery systems. Companies capable of developing and producing military-critical technical data and prototypes will find this relevant.

The project involves a 155mm modular artillery system, indicating a need for specialized engineering and production capabilities.

How to respond

To access the full details, including Attachment 8 (Purchase Description) and Attachment 9 (Packing and Unitization Drawings), you must first submit several documents for contracting approval. These include Attachment 12 (Technical Data Request Questionnaire), Attachment 6 (Non-Disclosure and Non US Agreement), and Attachment 14 (DD2345 Military Critical Technical Data Agreement).

Refer to section 8 of the Prototype Project Opportunity Notice (PPON) for complete instructions on this process. Amendment 0002 also added Attachment 15, which contains answers to offeror questions.

Tips for a competitive response

Given the requirement for specific technical data and non-disclosure agreements, start the process of submitting these documents as soon as possible. This will ensure you gain access to the full solicitation details well before the October 30 deadline.

Carefully review all amendments, especially Amendment 0002 which includes answers to offeror questions. These answers can provide critical insights into the agency's expectations and clarify any ambiguities in the original solicitation. Ensure your proposal directly addresses these clarifications.

Pay close attention to the updated terms and conditions in Attachment 1, specifically Supplement 5, Sub Section number 2, regarding the Outside Funding Contribution Schedule, which now covers FY 2027, FY 2028, and FY 2029.