Precision inner barrel.
Length 97mm (G17 / G18) (WE / TM / ETC ...).
New patented Air Track Inner Bore design.
Create an optimal air cushion around the BB.
It allows the BB to switch to higher speed and with greater consistency.
Guarantees unrivaled range and accuracy.
For GBB series pistols.
CNC-machined copper manganese alloy material and coated nickel-plating.