Quote Originally Posted by enbloc8 View Post
Will this sight hold as solidly without that front screw mount?
NO.

The two parts (frame/mount & slider) have to be number matched to ensure the slider moves consistently and without 'wobble'. If you do get a new mount/frame then you will need to send your slider to someone who knows how to match them up to avoid wobbling and slop.

I'd suggest that you'd be better to get a new flange welded on to fit to the ejector screw.
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