@BangBang & @dial1911 , I posted this in the What have you bought, sold or traded into thread way back on Feb 19. It's how I got mine. Don't know if the email is still good but might be worth a try:
Way back on November 14, 2018 I submitted for the free Walker Electronic Ear Protection with the NSSF and forgot about it. I remembered the other day and searched for an email address to contact. Found one ([email protected]) and sent an email last Tuesday the 12th. These showed up today. Might be worth an email if anybody got an approval response but never got them.