Faster, smaller and lighter than the original Shocker while still keeping low pressure, accuracy and low ball breakage. Features an All American rifled barrel, Max-Flow regulator, and low operating pressure(approximately 180 psi.). Manufactured and designed by Smart Parts
All the same great features as the 4X4 with select fire capabilites. The Shocker S/F allows you to convert from semi-auto mode to a 3-shot burst or full auto mode.