Classic Army M5 R.I.S. Kit for M15 Series

[Ryuu2600]

1. Classic Army M5 R.I.S. Kit for M15 Series- I bought it a while ago but it didnt fit my gun. Delta ring not included.
Retails: $205 http://www.airsoftgi.com/product_info.php?products_id=692
My price: $100obo