Depends on the scruples of the seller
i bought my first RIF just after my first time playing, I bought it used , I didn’t have my Ukara at the time, so would have had a bit of explaining to do if for some stupid reason the Po-Po came to my door, but the seller wanted some proof that I wasn’t a chav , fortunately I had been playing paintball for 20+ years , so had a presence on that scene that he was able to check out