Let us do the work for you! You send us your lower wood fore grip from your Yugo M92 and we will carefully drill, install a polymer rail and rail mounted Tactical Fore grip and ship it back to you ready to mount. **Please let us know if you are sending it, allow 1 week turn around time if you are sending in your lower wood forend for installation**If we do not receive any instructions from you about installation, the rail, grip and mounting hardware will be shipped with your order.