You just want to match the reel to the rod you choose. Shooting docks doesn't require great distances of line ... 20-30ft shots are "long range" distances, and 10-20ft shots are usually adequate to get to the fish.
Usually, any 5-6ft med action to lite action rod will work ... UL reels to 1000 series reels (matched/balanced with rod) are fine ... soft/limp hi-vis lines in 4-6lb test are a good choice, to round out the outfit.
If you've never tried dock shooting, you're in for a treat :p ... but, I'd put in a little practice time, before attempting it for real.
Boat positioning is the biggest key to success, followed closely by accuracy (depending on how much distance there is between water's surface and dock).
Here's some helpful info that I posted, on "how to" shoot a jig : (see my reply titled "Stewart") ---
http://www.crappie.com/gr8vb3/showth...ting+slingshot
Also, check out my Vertical Casting article .... it may come in handy
:
http://www.crappiestuff.com/vertical_casting.html It's a good "followup" method to dock shooting, that can help put a few more fish in the boat. That's not its only use scenario, but it is a productive method when following behind a casting or shooting method that has started to produce fewer fish. Vertical/horizontal trees, deep brush piles, bridge pilons, & dock posts are also favorable cover to use the Vertical Casting technique around.
... luck2ya
... cp