Step #1
Draw shape for the pistol.
Step #2
Draw lines as shown.
Step #3
Draw outline.
Step #4
Draw outer outline for the pistol.
Step #5
Draw the barrel.
Step #6
Draw grip.
Step #7
Draw trigger & trigger cover.
Step #8
Draw rear sight.
Step #9
Enhance drawing.
Step #10
Draw firing pin.
Step #11
Make necessary improvements to finish.