I ordered a set of III+ plates and a carrier back in early June. Lead time was supposed to be 4-6 weeks...by the time week 11 rolled around and after a few tense emails, I decided to order another set of plates (level III) and carrier from a different company. This outfit said they were in stock and would ship within 5 days. I figured once I received that set, I would cancel my order that I'd been waiting on for months. As luck would have it...both orders shipped the same day!
I still planned to return one set after they arrived, but once I talked it over with my wife, she said we should go ahead and keep both, just in case. So I put a III+ plate in front and III plate in back of each carrier and fitted one for her and one for me. Hope we never have to use them, but glad we have them.
Just an FYI. A lot of places won't accept returns on armor or ballistic panels since they can't ensure the plates haven't been compromised prior to you returning them.