What is an FX Airgun Power Block
FX Airguns are at the forefront of airgun innovation and the FX Power Block is another innovation to their FX Impact lineup.
The FX Power Block is a new rear block for the FX Impact with improved air flow. This new air flow is the result of more efficiency and increase power capabilities. Along with the new power block, the internal are different and so is the valve seat. The entire FX Power Block upgrade kit will include a new Power Plenum, Valve Body, and Rear Power Block.
If you are looking purchase an upgrade kit you can do so by following the link here FX Impact Power Block Upgrade Kit