T-N.T. Studio APS-X HOP-UP SYSTEM Precision Double I/D Air-cushion Inner Barrel For KJ CZ P-09 GBB (102mm) Manufacturer_Rainbow8 Custom Item Weight (gram) 86 Major

Item Weight (gram) 86 Major Color Desert Tan Built Material Aluminum Manufacturer STAR Airsoft Item Code SAA-M-08-T

t Studio specially designed for KSC MP9 / TP9 GBB

* Work with all airsoft magazine including AEG

Suitable for Marui G17/G18C/34 GBB Pistol

Item Weight (gram) 178g Major Color Black Built Material Aluminum Alloy Manufacturer Guarder Item Code M1911-04(M)BK

T-N.T. Studio APS-X HOP-UP SYSTEM Precision Double I/D Air-cushion Inner Barrel For KJ CZ P-09 GBB (102mm) Manufacturer_Rainbow8 Custom Item Weight (gram) 86 MajorT N. T. Precision Double I D Air cushion Inner barrel only at the outlet of a large inner diameter. Therefore, gas envelope effect, part of the gas "coated" the BB, front guide airflow sharp and straight. Rear of BB's airflow is more strong some people think thatT N. T. Air cushion Directional Inner barrelis "whole branch is large inner diameter" the right answer is only front end ratio is the large diameter, not entire, the rear end of the inner