This pre-solicitation notice covers a requirement for 78 each Breech Ring Forgings per drawing 11579761, Revision E, for the 155MM M284 Cannon, with First Article Testing required. Delivery will be F.O.B. destination. The solicitation is expected to be issued on or around September 3, 2026, and will be posted electronically on SAM.gov; hardcopies will not be provided. Interested parties must maintain an active SAM registration with representations and certifications, and an active DD Form 2345 certification is required to access the technical data package, which contains militarily critical technical data.