I got mine from Illumn. I hear it's the only place to get the good bin of SST-20. https://www.illumn.com/lumintop-fw3a-tlf-blf-edc-aluminum-flashlight-2047.html
Another option is Neal's gadgets, but I've heard he can take over a month to put your order in the mail, and another month after that to arrive. And it's not unusual for him to not reply to emails and other forms of contact during that time. So I've never ordered from him.
Another option is Neal's gadgets, but I've heard he can take over a month to put your order in the mail, and another month after that to arrive. And it's not unusual for him to not reply to emails and other forms of contact during that time. So I've never ordered from him.