Wii Tech Glock 17/19 Gen.4 CNC Steel Enhanced Knocker Marui

This high tensile steel knocker is made by precision CNC machines.  It fits Glock 17 Gen4, 19 (T.Marui) GBB pistol.  

It is an enhancement item, which is specially made for professional shooter and competition needs, because:

Highly precise dimension increases shooting reliability and sensitivities;

High tensile steel strengths construction, increases durability and reliability;

Smooth surface finishing reduces friction inside the chassis and improve smoothness knocking movement;

Dimension is modified for increasing efficiency and reducing risk of misfire.  Therefore, it has difference dimension from the original T.Marui knocker.