Open tender · United States · Public tender
M4A1 Lower Marking Receiver
W6QK Acc- Dta in the United States is inviting bids for “M4A1 Lower Marking Receiver”. Bids close on 9 October 2026, 17:00 EDT. Reference: W912CH26QA041.
The work
M4A1 Lower Marking Receiver
Key facts
- Procedure
- Solicitation
- Published
- 08 Oct 2026
- Reference
- W912CH26QA041
What it takes to qualify
Worth a closer look
- Implement OPSEC measures as determined by the commander and the CIL.
- Prevent the disclosure of critical and sensitive information in any public domain to include but not limited to the internet, open source publications and the media.
- Be aware that personal social media sites, weblogs also known as blogs and/or emails cannot be created or maintained during working hours.
- Maintain telephone security.
- Limit distribution of classified information and CUI (legacy FOUO) to those individuals with a valid need to know and the correct eligibility.
- Refrain from discussing work issues in public locations where conversations can be overheard.
- Ensure all hardcopy CUI (legacy FOUO), technical data and documents are destroyed IAW current shredding standards for CUI identified in the memo, CUI Notice 2019-03: Destroying Controlled Unclassified Information (CUI) in paper form dated 15 July 2019.
- Handle any attempt by unauthorized personnel to solicit sensitive or critical information as a TARP incident. Report all facts immediately to the nearest supporting Army Counterintelligence office, your Security Manager and Security Officer.
- Refrain from publicly disseminating or publishing photographs that display critical or sensitive information.
- Refrain from referencing, disseminating, or publishing critical or sensitive information that has already been compromised as this provides further unnecessary exposure of the compromised information and may serve to draw undue attention to it.
- Promptly report OPSEC and security violations to your supervisor and TACOM G-2 so mitigation
