Shocker LPR Instructions: 1, Remove air tank and hopper from paintball marker. Make sure the marker is completely degassed and there are no paintball in the marker. 2. Unscrew the vertical regulator or gas through fore grip from the Shocker, 3. Take a 3116th Allen key and unscrew the bolt in the dead center of the vertical adapter. 4, Remove the vertical adapter. 5.