German arms maker Rheinmetall said on Friday that it has received an order from a NATO customer for the supply of artillery ammunition. The order is worth almost €300 million ($324 million) and comprises several tens of thousands of artillery shells and several hundred thousand propellant charge modules, Rheinmetall said. The ammunition is to be delivered between 2024 and 2028. The country was not identified. Rheinmetall said this order, and others recently booked, stem from the need for states to replenish ammunition stocks that have been directed towards helping Ukraine fight invading Russia…