Help with Colt Defender 1911 Front Sight

[metasys]

Hey Guys, I received a set of night sights for Christmas. The rear sight looks good but when I hold up the front sight it sticks past the front of the slide. Also the new front sight has a hole in it and a small roll pin, the original front sight does not.

Did I get the wrong sight?

It is a Meprolight ML-10779 and says its for the colt defender, "Novak Genuine TRU-DOT Night Sight Systems for Colt Defender Pistols"

I have it flopped over in the picture so its easier to see how far it sticks out.

[ar15barrels]

Dovetailed sights usually require fitting to the slide.
You remove metal from the bottom of the dovetail until the sight will enter the slide half-way with only finger pressure.
Then, drift it in to the final alignment.
Once it's in place, drill a hole in the slide throug the hole in the sight blade and install the roll pin which will keep it from ever moving left-right in the dovetail.

[metasys]

If I do all that then the front of the sight will be sticking out past the front of the slide... Would I need to grind the front of the sight down so it sits flush?

[metasys]

The website contradicts itself,

This title says its for colt defender but if you look on the bottom right of the page is says colt xse with a .180" front end

http://www.meprolight.com/?catid={0B7B71C6-C5C1-4011-93AE-A79C7B82AF8B}&itemid={AAA46132-5EAA-4650-B0BC-9779A9E980B1}

This title page says its for the xse but if you look on the bottom right of the page is says for colt defender with a .160" front end

http://www.meprolight.com/?catid={0B7B71C6-C5C1-4011-93AE-A79C7B82AF8B}&itemid={4CC49011-F5A9-4C3D-9001-2728E9704DDB}

I think I have the slightly longer sight for an xse???

[ar15barrels]

Call Brownells and ask them...

You might have the wrong ones if they are hanging off the front of the slide.