1 - Dye 12 inch 1 piece stainless, twist lock mag, 25 dollars shipped.
2 - Stock Minimag cool stub barrel, 10 dollars shipped.
Both in excellent shape.
3 - Basic mask, PMI X ray, newer better foam, feels great, good single pane lense just cleaned fully and treated with fogtech. 10 dollars maybe shipped, prefer to go with something else.
4 - Duckbill ASA, perfect shape, good for anything, 5 bucks http://img170.imageshack.us/img170/5479/imga0665rr6.jpg
In that photo, all other parts sold.