I know it's not an Instructable but I am just showing you guys pics of my most high quality guns. the AK-47 is the one I took apart for the mg on the chain gun, MG slide show. I give some credit to s0lekill3r for the shotgun brake action thingy
(TO rate this you have to go the AK-47 step thing and rate on there idk why you can't rate it on the first page)
Step 1: M4 Mag
Step 2: Spec-ops Tactical Shotgun (STSG) Set 1
A powerful, fun, tactical type sawn-off shotgun. It is capable of firing a 5 rod shrapnel shell
Step 3: STSG Set 2
Step 4: AK-47!
last bun not least the AK-47