Folding stock is not blocked in some cases

you can fold the stock on some kalashnikov platforms with dovetail attachments attached

<img width="1516" height="1111" alt="Image" src="https://github.com/user-attachments/assets/e4fa00eb-7d60-4904-b310-084527d194fa" />
<img width="1367" height="939" alt="Image" src="https://github.com/user-attachments/assets/6e43bfce-3779-47fc-8e0a-f4536c1f036d" />