Step 3: Build the cog Mechanism, the Trigger and the Cog
This is where all the elastics fit on. Note the double white combination for more strength.
The simple yet strong mechanism that initiates the firing
Cog Mechanism (middle)
This part here directly touches the cog when loaded, and is rotated out of the way to allow the gun to advance the cog. Note the white rod (acutally black)- make sure this part is inserted through the three grey connectors- it gives the gun its strength to withstand pressures.