American Rheinmetall Munitions, Inc., Stafford, Virginia, is awarded a $25,132,126 firm-fixed-price, indefinite-delivery/indefinite-quantity contract action for the MK 1 MOD 0 Practice Grenade Fuze and Body. This contract, if fully funded, would bring the cumulative value to $25,132,126 over a five-year period. Work will be performed in Trittau, Germany, and is expected to be completed by September 2028. Fiscal 2023 defense procurement funds in the amount of $358,067 will be obligated under the first order at time of award and will not expire at the end of the current fiscal year. This contract was awarded on a sole source basis in accordance with the statutory authority of 10 U.S. Code 2304(c) (1) as implemented by Federal Acquisition Regulation 6.302-1, only one responsible source and no other supplies or services will satisfy agency requirements. Naval Surface Warfare Center Crane, Crane, Indiana, is the contracting activity (N0016423DJR83).