How to bid on M4/M4A1 Upper Receivers for the Department of Defense

What the Department of Defense is buying

The Department of Defense is seeking M4/M4A1 upper receivers, specifically NSN 1005-01-382-6795. This is a one-time, firm-fixed-price purchase, with an option for an additional 100% of the order. This opportunity is for businesses that can supply these specific military components.

Key dates and deadlines

This solicitation was published on July 30, 2026. All proposals must be submitted by August 26, 2026, at 1:00 PM ET. It is crucial to submit your proposal before this deadline, as late submissions may be rejected.

Who this opportunity suits

This opportunity is suitable for firms experienced in manufacturing or supplying security and defense components, specifically M4/M4A1 parts. Because the technical data is export controlled, bidders must complete a Non-Disclosure Agreement (NDA) and hold United States/Canada Joint Certification Program (JCP) certification. Additionally, all contractors must be registered in the System for Award Management (SAM).

How to respond to this solicitation

To access the solicitation, click “View original source” on the portal. If the first click takes you to the portal’s homepage, click it again to go directly to the bid. You may need to create a free account on the portal to view all documents, though this is not always required for every bid.

Remember that the government will issue any amendments electronically. You are responsible for periodically checking the portal for updates, as the government does not maintain a mailing list. Failure to account for amendments could lead to your proposal being deemed nonresponsive.

Tips for a competitive response

Ensure your firm meets all mandatory requirements, including JCP certification and SAM registration, before preparing your proposal. Carefully review the technical data package once you gain access and ensure your proposed product precisely matches the specifications for the M4/M4A1 upper receiver, NSN 1005-01-382-6795.

Since this is a firm-fixed-price contract, your pricing must be competitive and accurately reflect all costs. Double-check all submission instructions and deadlines to avoid any technical rejections. A well-organized and compliant proposal that clearly addresses all requirements will strengthen your bid.