T-N.T. Studio APS-X HOP-UP SYSTEM Precision Double I/D Air-cushion Inner Barrel For KJ CZ75 SP01 Shadow GBB (106mm) Manufacturer_UAC STAR 1-4x20mm TRI-RAIL Crosshair Rifle

STAR 1-4x20mm TRI-RAIL Crosshair Rifle Scope

- Incredible twist processing and gradation design to recreate quenching pattern

recoil spring guide

Item Code: EOT-RDS-T

Achieve 265 FPS out from the Box

T-N.T. Studio APS-X HOP-UP SYSTEM Precision Double I/D Air-cushion Inner Barrel For KJ CZ75 SP01 Shadow GBB (106mm) Manufacturer_UAC STAR 1-4x20mm TRI-RAIL Crosshair RifleT 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