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Charles L. Cotton wrote:If you're taking it to a gunsmith, you may as well have him replace the roll pin in the Ellison rear sight while you're at it. If you shoot anything other than light Bullseye loads, the roll pin is very likely to shear off.

Chas.

Excellent suggestion! The roll pin has broken on my Gold Cup once already. If you have it replaced, have the 'smith use a heavy duty type pin.

They are available from McMaster-Carr, a large industrial supply house. They will sell and ship to anyone, and they take credit cards.

When looking thorugh their online catalog I noticed that roll pins came in two grades - standard and heavy duty. The heavy duty ones have a larger wall thickness, making them stronger.

And they still look original.

Or for a more permanent fix have a gunsmith cut a standard dovetail into the slide and install a dovetail sight.

The only drawback is that the gun won't look original anymore. If that is important to you, have the staked sight replaced.

But this is a well known weak spot on these guns (all Colts) so don't be surprised if you have to do it from time to time. I had to replace the front sight on my Gold Cup (Series 80) once. (The factory sight flew off just like yours.)