When ordering a BSB make sure you ask whomever you order from to check the fit of the pressed in adapter with an 801 atomizer. Mine is cockeyed and is extremely noticeable with the 801 on it.
Also, make sure you try all your atomizer and adapter options. I used mine for the first couple weeks strictly with an 901 adapter and cartomizers and all was fine. Then I tried a 510 and it only screwed on a couple turns and wouldn't fire. Had to use nolox in the pressed in 510 connector and work the atomizer in and out until it finally works good now. If you run into this issue and try this make sure you clean out the nolox before vaping.
Other than these two issues it vapes really nice just not sure about quality control before they ship.
Also, make sure you try all your atomizer and adapter options. I used mine for the first couple weeks strictly with an 901 adapter and cartomizers and all was fine. Then I tried a 510 and it only screwed on a couple turns and wouldn't fire. Had to use nolox in the pressed in 510 connector and work the atomizer in and out until it finally works good now. If you run into this issue and try this make sure you clean out the nolox before vaping.
Other than these two issues it vapes really nice just not sure about quality control before they ship.