McAlester Army Ammunition Plant has issued an amendment to its Request for Quote for Railroad Ties (Composite). See posted solicitation for additional requirements. FOB Destination - McAlester Army Ammunition Plant, McAlester, OK. This solicitation will be issued via the internet at https//www.fbo.gov and will now close at 5PM [CST] on 28 Oct 2019. Questions or offers should be e-mailed directly to [email protected]. Any changes to the solicitation shall also be posted to this web site and it is the contractor's responsibility to check site daily for any posted changes. All contractors who provide goods/services to the DOD must have a current active registration at System for Award Management (SAM) - https://www.sam.gov.