This enhanced steel trigger box is made by precision CNC machines. It fits original T.Marui M4 series GBB and Wii Tech receiver sets because it has:
1) standard T.Marui dimension with smooth surface for reliable mechanical operation;
2) high tensile steel strengthens construction for outstanding durability and reliability;
3) modified construction for higher precision and increasing durability;
4) lightening design for reducing weight.
All products are for airsoft only. They are not made for real steel firearms.
