1. Equip a weapon that does not have ammunition loaded
2. Open a container with the applicable ammunition type for that weapon by bringing up the inventory menu for that container
3. Right click or drag and drop the ammunition from the container to your inventory
4. Before the reload animation finishes, close the inventory menu
5. After the reloading animation completes open your inventory menu and observe that your weapon has not successfully reloaded

Observed during multiplayer game play