This hardened steel frame rail mount is made by precision CNC machines. It fits Glock 17 & 18C (T.Marui) GBB pistol, but NOT fits Glock 17 Gen.4. It is an enhancement items, which is specially made for professional shooter and competition needs, because:
1) High precision dismension increases shooting reliability and sensitivities;
2) Hardened steel strengths construction, increases durability and reliability;
3) Smooth surface finishing reduces friction with slide;
4) Dimension is modified for easy installation and improve smoothness movement of slide. Therefore, it has difference dimension from the original T.Marui rail.
All products are made for airsoft only. They are not made for real steel firearms.
