Removing a Williams Peep sight from a 392

I wasn't sure where to post this, so I put it here.

My 392 came with a Williams peep on it and I want to put a Baker Airgun scope mount on the rifle, which means removing the peep. I have already removed the 'top half' of the sight in order to install a scope by loosening the vertical adjustment screw and sliding the peep assembly up and off. 

As you can see in the pic, there are two screws to the left of the vertical adjustment screw that's on the far right. Is all I have to do to remove the sight is take out those two screws? I don't have a screwdriver that fits them, so I don't want to mess things up using one that doesn't fit to try removing them, but is that all I have to do?



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