Our new AR stock adapter makes it easy to mount this two bolt style rear skeleton stock between the grip and the receiver, no drilling or welding. This 8.75" skeleton stock is lightweight and offers a rear rubber butt pad and a QD swivel with 4 different QD points on the rear stock. We include a longer, full length grip bolt that fits with the stock grip and most longer grip bolt AK custom grips. Machined grip mount block on underside of the adapter.