In my spare Krag parts box was a model 1901 sight with a damaged leaf. When I obtained it, the leaf was bent and twisted.

I straightened it and cleaned up burrs and irregularities, but, the 'slide' still would bind at a couple of spots.

Recently, I got a replacement leaf from "Grandpa's Gun Parts". The part came quickly and was a good match.

I took some pictures to show inside details of the model 1901 sight in the hopes it is helpful to others.

Hints:
A fine pin-punch can be made from a damaged jeweler's screw-driver.

The small pin, that retains the 'slide-screw', is driven out from the rear.

A Drill Press Vise & Popsicle Sticks make a great 'third hand' and can gently compress springs to aid dis-assembly and re-assembly. (A small Drill Press Vise can be found for less than $20 on the internet).

(p.s. - I'll be Range Testing this model 1901 sight soon. It has a nice Big 'peep-hole').

(p.p.s. - I don't take Krag sights apart, except to replace damaged parts).

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I bumped this old post, because someone sent a PM asking about taking the 1901 sight apart.

Once, the fine pin (driven out from the rear) and screw are removed, the top plate can be taken off of the 1901 slide.

The binding-screw (or a broken shank) can be screwed-out or screwed-in.

(The 2nd attached photo shows a loose 1903 Springfield binding-screw, which has the same threads and retention as the Krag 1901 binding-screw).

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Just so he could strip it for parts and sell it on E-pay?

Oh ye of little faith ... NO, he is repairing his sight.