This is a 1871 Uberti pistol it has a cocking lever and a true trigger. It is only a one shot just like the real gun. Unfortunately this gun is not very powerful. The reason is because of the what I think is new cocking design. Feel free to modify it if you want. ENJOY :D
Step 1: Building the Ram ,Trigger,and Handle
1.) Build the two halfs of the handle, then connect them together.
2.) Build the trigger.
3.) and 4.) Build ram. Four is just a side view.