The custom ando seems to be on the inside of the stock barrel. While it was actually working it was so inconsistent I got pulled from a game for shooting 302 and 305 after chronoing earlier between 212 and 257. I later changed the dwell from 8 to 10 and anti bolt stick from 3 to 5 and turned by reg down which made it shoot around 215 - 255. Then I turned the reg up a quarter turn which caused a loud popping sound on my next chrono followed by air leaking through my barrel. I changed out all the o rings in the drive train and regulator and its still leaking down the barrel.
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