The government is seeking proposals for a Multiple Award Task Order Contract (MATOC) to support design, build, and commissioning services at a Government-Owned, Contractor-Operated (GOCO) Army Ammunition Plant, focusing on modernization, operations, and maintenance. Proposals must be submitted by 1:00 PM Central Standard Time on June 22, 2026, via the PIEE system. Questions regarding the solicitation must be submitted by 3:00 PM CST on May 29, 2026. No specific budget amount or performance location is mentioned in the description. This opportunity is part of the Organic Industrial Base (OIB) modernization efforts.