Most of what we sell is bought in bulk lots: closed-out depots, estate sales, and auctions of surplus that never got issued. We do not manufacture anything and we do not restock a specific item once a lot is gone.
That is also why some racks carry commercial reproductions next to genuine issue gear - a tarp or a pouch that nobody ever issued but that does the same job for less money. Every tag says which one it is. We would rather lose a sale than let a listing imply history a piece does not have.
If you are buying for a collection rather than for use, ask the counter directly. Staff will tell you plainly, and will point you to a specialist dealer if what you are after needs paperwork we do not carry.
