Bid guide
How to bid on M4A1 Lower Marking Receiver for the DEPT of Defense
What the agency is buying and why it matters
The Department of Defense is looking for a small business to supply M4A1 lower marking receivers, National Stock Number (NSN) 1005-01-581-7049. This will be a five-year, Firm-Fixed Price, single-award Indefinite Delivery, Indefinite Quantity (IDIQ) contract.
The contract has a minimum guaranteed quantity of 726 units over five years and a maximum potential of 21,638 units. This opportunity is significant for small businesses specializing in security or defense manufacturing, offering a stable, long-term contract with the DoD.
Key dates and what happens at the deadline
This Request for Proposal (RFP) was published on August 14, 2026. All offers must be submitted via email to [email protected] no later than 5:00 PM Eastern Standard Time on Monday, September 14, 2026.
At the deadline, the agency will stop accepting proposals. It is crucial to submit your offer, including all required fill-ins and representations, before this time to be considered for award. Any questions about the solicitation must also be directed in writing to the contract specialist.
Who this opportunity suits
This opportunity is a total small business set-aside, making it suitable for small businesses with experience in manufacturing or supplying specialized military components, particularly those related to firearms or security equipment. Vendors should be capable of meeting specific military packaging requirements (Level B) and handling First Article Testing (FAT).
Firms with existing access to Department of Defense technical data packages or those eligible to obtain such access will be best positioned, as a Distribution Code 'D' Technical Data Package is associated with this requirement.
How to respond to this solicitation
To access the solicitation details, click “View original source”. If the first click takes you to a homepage, click it again to go directly to the bid. You may need a free account on the portal to view all documents.
Your offer must be returned as one signed copy via email to [email protected]. Ensure you acknowledge all amendments to the solicitation, including their number and date, and complete all required fill-ins and representations. Failure to do so may result in your offer being deemed ineligible.
Practical tips for a competitive response
Carefully review the entire solicitation, paying close attention to Sections B, C, and D for details on ordering years, technical data package access, and military packaging instructions. Ensure your proposal clearly addresses all requirements, especially the First Article Testing and Military Packaging Level B.
Since shipments are Free on Board (FOB) Destination to DLA Distribution Anniston, Alabama, factor all shipping costs into your pricing. While early shipments are authorized at no additional cost to the Government, focus on meeting the delivery schedule efficiently. Double-check that all required forms, fill-ins, and representations are fully completed and accurate before submission, as incomplete offers may be rejected.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from DEPT of the Army; the original posting controls.

