guys this news just in, from mach1 themselves.
"Agreed,
It sounds like the hop-up may have retired on you. We have them in stock.
check out our website.
www.mach1airsoft.com and we'll hook you up.
Just click on the hand with the blue pill to get in to the site. We're currently counting down the release of a few new products for the airsoft market.
Thanks,
Shinobii"