For sale the following item: #1) New in box DSC 416 quad rail. I have opened the box only to see what was inside. The quad-rail DOES NOT use any screws and snaps into the front retainer and the delta ring on your AR. The quad-rail is still sealed inside the plastic and also has the instructions with it. Please be sure that this fits your AR before buying. $100 shipped. OR MAKE OFFER. I will accept payment in the form of USPS money order and will ship standard USPS shipping. If another form of shipping is requested I'll try and work with you to settle the price.