For anyone who would like to have a Female Q.D. socket installed into the butt of the Raptor handle for both remington or mossberg handles. 
This is option you can add to your order which gives you a QD socket sling hookup on the back side of your Raptor handle order. 
G3survival will drill out and tap the back end of the Raptor handle and install a threaded female Q.D. for the easy hookup and relese of your sling.