That would thing is going to have some heft to it. The handle is so you can easily pull it back up if it ends up flat on the ground (for example if you had to drop it to free you hand to grab weapons/gear/teammates etc.Why is the handlebar like thing facing the front for? Seem that it just give people a convenience spot to grab and try pull the shield away from you.
As what sunbud has said. Also the new chest digital interface is essentially a special version of huawei mate 20 so maybe he's using that considering what appears like a camouflaged phone case.
Those photos are shot at their quarters/barracks. There is nothing wrong with selfies in the barracks. The uniform does not really have much OPSEC value in itself.