@Brunka - Yep, MyVPro is the place I posted about in the main Berserker 24mm thread....that has the Accessory Bags for many of the Vandy Vape tanks (including the Berserkers) and spare glass and Ultem tanks for them, too. They now
also carry the drip tips for the Berserkers...both the Delrin and the Ultem one!
According to MyVPro (a US authorized Vandy Vape supplier), Vandy Vape has
no plans at all to release o-rings for sale separately, since a full set of them comes in the Accessory Bags for the Berserkers. After buying o-ring sets for several other tanks, that
looked like they included a funky shaped, top, o-ring like in the Berserker 24mm...I've had no luck. They've all been the right shape, but were either too big or too small in diameter.
I did find out though, that you can get 4 of the L shaped
bottom ones (2 orange + 2 turquoise) that
definitely work in the 24mm Berserker. I've been using them in my 24mm Berserkers for more than 2 months now. They're in the Accessory Bag for the Avocado 24 that MyVPro carries. There are 2 different kits though - 1 has
all black regular round o-rings, and other spare parts in it; but a 2nd kit has the orange and turquoise o-rings in it in addition to some regular black round ones, along with other spare parts. It's the
2nd kit that you need to get.
ETA: The o-rings for your Berserker 24mm RTA are
not the same ones the Berserker RDA takes, nor the Kylin takes.