From Warpig
The Shocker has a very long history as an electropneumatic marker. In 1996 it was introduced to the paintball media at the International Amateur Open paintball industry conference. That first Shocker, manufactured by PneuVentures, Inc. (PVI) and marketed in a partnership with Smart Parts, Inc., was a far cry from what people know today as a Shocker. With a limited rate of fire, dual solenoid closed bolt operation, a stamped metal trigger and a bulky body, the PVI Shockers were later replaced by the Shocker Sport, an update to the design produced in-house at Smart Parts. As paintguns progressed, the 11.2 bps rate of fire the Shocker Sport faced due to gas flow limitations, the Shocker Sport lost ground to the lighter and faster Impulse as Smart Parts' flagship marker.
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