The Zone of Alienation mod is an adaptation of the renowned AMK mod. It is built on top of a specialized variant of AMK that uses a magazine system. From this premise, it has expanded to aim to include the following:
I took the old one I had, re-aligned it, and traced it.
The source I used to draw this.
Dragunov.net
I also happen to have a model for the scope itself, that is capable of working in-game, but it doesn't attach to any arsenal mod weapons.
"I am the Terror that flaps in the night!
I am the SP6-Armor-piercing bullet ripping through your Exosuit!"