Since KillerK would not post his MAGNUM I decided to take matters into my own hands. Plus, all these kids who don't have enough skill to build it from the pictures he's posted were begging me to. So here it is, KillerK's MAGNUM.
Step 1: The Barrel.
4.)Begin assembling the barrel. (If you are confused about which sections you connect, refer to picture 5.)
5.)The product of step four.
6.)Connect to section from pictures 4 & 5. (If you are confused refer to picture 7.)
7.)Product of 6.
8.)What you should have.