M40A5 (VFC) Enhanced Hop-up set

This hop-up set is made by CNC process.  It is modified for:

1) enhance the hop-up performance,

2) improve the preciseness shooting,

3) steadily holding BB in standby mode,

4) stabilize the inner barrel during firing,

5) strengthen construction,

6) improve air-tightness in the set.

Moreover, high grade BB with 0.3g or heavier is recommended to achieve better performance.

All products are for airsoft only.  They are not made for real steel firearms.