I have a converted saiga ak style rifle.  I have a nato length stock on it now.  I would like a skeleton style stock. Was looking at something like an Ace skeleton stock that comes in different lengths.  Do I need an adapter for this or will the stock bolt on? 

If you like the ace stock you will need to get a stock block, cut the tang off and install it. Its simple. Then the new ace stock bolts right on. I used a dremel to cut mine off for the ace stock block i had