Good work, although UNA guns look more like this:
Here's an enlarged version of the revolver:
Also, here's a picture of Peacekeeper Soldiers in battle uniforms:
Blue berets and helmets are only used when peacekeeping and parading, as they limit camouflage and covert operations. And since the Peacekeepers use a lot of chemical weapons (it's World War I-tech, right ?) gas masks are obligatory.