You give your email and password to the person who want's to get the game off your PSN ID.You then do the same.Get email and pass and download of his psn id in the psn store.
I can say this still works.If the T-Shirts don't show up when using the female go back to male they should be in the special tops.That what happened to me.
I say some of those weapons might be for next gen and they could extend the weapon holders in Ammunation.Also that machine gun looks like the combat MG