Unfortunately not, there are several different sizes. Exact measurements must be taken before purchasing and final fitting must be done by somebody which knows fitting procedure/requirements and lastly know how to use Files.
Cheers
OK, this mfg concept does not know the meaning of KISS (keep it simple stupid).
Looks like I found a rail that can attach to my bases which I will look into further from Optics Trade which is where I purchased the bases that I was planning on installing for this rifle.
https://www.optics-trade.eu/ca/recknagel-picatinny-weaver-rail-for-german-claw-mount.html