The good folks at Elite Ammo are open and selling ammunition again. I visited their site earlier ths evening and they had both S4M & T6B available for purchase. While I was waiting, the T6B ran out, leaving just the S4M yavailable for sale. Purchasers are limited to one box of ammo per type. Here is a link to their Website:
http://www.eliteammunition.net/home.html
http://www.eliteammunition.net/home.html