This New adapter is easy to install and fits into your AK type rear receiver using stock mounting hardware. No cutting and no drilling on your receiver. It has a flat rear mount with (2) 10/32 threaded holes allowing the use of any ACE type rear stock including our own Tactical Modular Rear Stock. This part number for rear adapter and Finger Grip only, gun & other parts sold separately. Please call with any questions. ***NOT AVAILABLE