This is a restricted solicitation for commercial items, anticipated to result in a firm-fixed price purchase order on a sole source basis to BAE Systems Land & Armaments, L.P. All parts must be new, have clear traceability to the OEM (BAE Systems), and no substitute or alternate parts will be considered. The government may increase the quantity of supplies by up to 30 units, with a maximum total of 60 units, and the option may be exercised within one year after award. The applicable NAICS code is 336413, with a small business size standard of 1,250 employees. No budget amount or location for performance of services is specified.