This is a k'nex gun I made the other day.
With 2 horible RB's it fires 40 ft flat. I havent tested max range yet.
Sorry about the crapy pics I had to do it with my webcam.

Pro's and Con's

Pro's

Quite powerfull
Accurate
True trigger
Auto rotates
Turret
Small

Cons

Weak gun - turret connection

Lets get building

Rate coment and sub
thanks

Step 1: Part Count

Part count

Rods

green - 24
white - 22
blue - 5
black/clear - 1

Connectors

dark gray - 10
light gray - 14
orange - 8
red - 1
green - 3
yellow - 8
white - 6

Other

tan clips - 4
gray spacers - 2
Y-connectors - 10