I had issues with my PSA AK-V not being quite compatible with my Russian Zenitco B-21y Rail. I made this bushing and thread adapter in order to resolve that, the Bushing utilizes existing mount points and takes no rail space, I was able to incorporate it using only the Basis attachment and then used an M4x0.7 (20mm length) fastener to secure it in what would be the cleaning rod hole. I hope this helps someone with using real Zenitco Rails on their AK-V.
I made mine from Esun PLA+, I would suggest that or something along the lines of Nylon.
The author marked this model as their own original creation.