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

What the agency is buying

The Department of Defense is seeking proposals for a 155mm Modular Artillery for Combat Effectiveness (MACE) prototype project. This is an opportunity for vendors to develop and demonstrate new artillery technology for combat effectiveness.

Key dates and deadlines

This solicitation was published on September 01, 2026. The deadline for submitting proposals is October 30, 2026, at 3:00 PM ET. This deadline was extended from an earlier date of September 30, 2026. The basic agreement years for this project are now FY 2027, FY 2028, and FY 2029.

Who this opportunity suits

This opportunity is suitable for firms with expertise in security, defense technology, and artillery systems. Vendors should be capable of developing and prototyping advanced military hardware. The project involves modular artillery, indicating a need for adaptable and integrated system designs.

How to respond

To access the full details and attachments, you must first open the opportunity on the portal. You may need to click the link twice if the first click leads to the portal's homepage. Some documents may require a free account to view.

Specifically, Attachment 8 (Purchase Description) and Attachment 9 (Packing and Unitization Drawings) will be provided only after you request them and submit specific documents for contracting approval. These required documents 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 more information on this process.

Tips for preparing a competitive response

Given the requirement for specific technical drawings and agreements, start the process of requesting these documents immediately. Ensure all required forms, such as the Non-Disclosure and Non US Agreement and the DD2345, are accurately completed and submitted promptly for approval. This will allow you sufficient time to review the technical details before the proposal deadline.

Thoroughly review the Prototype Project Opportunity Notice (PPON) and all available attachments. Pay close attention to any technical clarifications mentioned in amendments. Since the deadline was extended to allow for comprehensive proposals, use this extra time to refine your technical approach and ensure your submission addresses all aspects of the agency's requirements for the 155mm modular artillery prototype.