The vale pin lock is more durable and stable than the traditional design
Increase nozzle diameter to 14mm which effectively improves the performance.
Use a new generation non-rotating valve
Including nozzle & valve pin lock.
Not compatible with stock TM nozzle valve and valve block
For TM Hi-Capa & 1911
It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just simple remove a spacer to solve the issue. Alternatively, you may consult your gunsmith for advancing fitting to solve this issue as well.
Increasing in FPS can be achieved; however, it may require other parts to collaborate and advanced skill is needed. improper installation / fitting can shorten the life of the product.