Gentex Corp., Simpson, Pennsylvania, has been awarded an estimated $36,521,150 modification (P00020) exercising the second one-year option period of a one year-base contract (SPE1C1-23-D-0004) with four one-year option periods for the second-generation advanced combat helmet. This is a firm-fixed-price, indefinite-delivery/indefinite-quantity contract. The ordering period end date is Oct. 16, 2025. Using military service is Army. Type of appropriation is fiscal 2024 through 2025 defense working capital funds. The contracting activity is the Defense Logistics Agency Troop Support, Philadelphia, Pennsylvania.