Summary: faces slightly to create a curved connector/pipe/tube thingy, 2. I knew there was a reason why I marked this, DELETE this face as it will be inside the main part so you wont see it :) Heres the model so far, I made the handle from a cylinder and scaled a few points in and out, I made trigger same way as the fin, drew a spline dropped it into a Extrude Nurbs, made it
Image Dimensions: 410 x 246
Image originally found here.