Building My Replica of the M739 Squad Automatic Weapon (aka "SAW") from HALO 4

Every once in a while you find yourself haunted by that age-old question, "what if I can't reach something with scissors but I still want to cut it in half?"

Fortunately for you, there's the SAW!

"SAW" stands for "Squad Automatic Weapon."  When I was bouncing around Afghanistan, I managed to talk one of my Canadian counterparts into letting me burn through a few hundred rounds on his SAW at the firing range:

Those were fun times.  When I'd emptied the entire box of ammo, I tried every way I could to talk him into trading that beauty for my M-16, but alas it was not to be.

Since I can't (legally) have one of those to hang on the wall, the next best thing is this version from HALO 4:

It's still pretty imposing and I had to have it.  Since it's not something I can just buy from someone, I had to make it.

Here's the finished result:

For details on how I made it, read on...