I just picked up a new RH10, and it was suggested that I change out the rear wind windage adjusting sight to a PKM sight. I bought one and tried to install it, and would not fit. It seems the "cam" or rotating knobs are a larger diameter than the stock one, and the body itself may be too wide to properly seat itself all the way down on the rifle. Before I break out the dremel, is it normal to have to fit these sights to make them work, or is it best to cut my losses and buy something else? I marked the pic up highlighting the areas in question, just in case I got the descriptions wrong. Thanks.

Russian Sight might need fitting due to tolerances.

I went with a GG&G personally. No mods needed

Do you have calipers can you measure both Romanian and Russian?

I think I'll go the GG&G route as well. I'll put this one in the parts bin for future use. Thanks.

I don't believe PKM sights were made to work with AK's, and if that's truly what you have that could be why it doesn't fit. The sight pictured is an RPK sight, which should work.

I just zeroed the rh10 then took a hacksaw blade down the middle of the rear sight to remove the useless metal that takes up 75% of the space. It gives you a full notch but make sure you zero it first.