Just received the following email:
SilencerCo Salvo 12 SALE is now back in stock at . You have been sent this email because your email address was registered on a waitlist for this product.
If you would like to purchase SilencerCo Salvo 12 SALE please visit the following link: http://www.silencershop.com/shop/silencerco-salvo-12-sale/
You have now been removed from the waitlist for this product.
So of course I follow the link, which didn't work initially but now seems to work. Definitely not "In Stock" though and I had to rejoin the waitlist. Somebody at SilencerShop is playing with my emotions!