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Create two different inner diameter with an inner barrel, because airflow forward faster than BB, before the BB is not out of the inner barrel, there has to be part of the gas out of the inner barrel, the main purpose is to let the BB rear end of the high-pressure gas, in part relatively large diameter can completely cover a BB, when BB ejected, achieve "front guide" function, more stable flight trajectory starting point, still more straight to the target !!
Use the『Precision Double I/D Air-cushion inner barrel』with『T-HOP bucking』，make your airsoft BB guns performance better then better !!
T-N.T cutting edge inner barrels are definitely the best thing in airsoft today.
Using state of the art engineering, T-N.T. has designed a new kind of barrel, that will not only improve accuracy, but improve proformance and range by 30~50% !!
Material : bronze with electroplated chemical nickel surface.
Inside diameter : 6.03~6.35mm (2 different inner diameter in 1 barrel)
Outside diameter : 8.5mm
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