IainM
Landlord.
Well, my barbs fitted into 3/16" ID line no problem. Just gave it a test on some water in a mini-keg and it works really well, even with only two hands. I can't see a beer gun ever being a superior product, unless it also has the rubber stopper, in which case it is just a long counterpressure filler. While the Tapcooler and Williamswarn ones look nicer and better for bottling in quantity, I won't be bottling from a keg very often and it does everything as it should.