CSAT COMBAT SIGHT on LT103?

Here's my thoughts on the install.

1. I find it much easier to remove and reinstall the sight aperature when the roll pin is at the top vice sideways.

2. Smaller roll pins generally aren't as strong as larger ones and depending on various factors can be harder to remove, thus taking a little beating.

3. Unless I absolutely had to I would not reuse any roll pin. I was given that advice years ago and I stick with. It would be sad to a have something take shit when you needed it most because of a part that is usually under 2 dollars.

Sub,
If you run into a dead end, Borebrush should be able to hook you up.

Any idea if it is possible to install one of the CSAT aperatures in a Troy rear sight? The Troy rear looks easy enough to disassemble, but I am curious if the CSAT ap will work....

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Originally Posted by NCPatrolAR

Anyone happen to know what size that set screw is? None of my allen wrenches will fit it.

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+1 What the hell size is that damn set-screw on the LaRue BUIS???!!!

I had to stop at a local gunsmith and just start trying different sizes until I got one that fit.

I have that notch on my ARMS40L sight thats about 5 or 6 years old on one of my ARs. It is a good concept for fast engagements just using the irons.

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Originally Posted by Submariner

You can read about Paul Howe's CSAT Combat sight here:

http://www.combatshootingandtactics....20Pictures.pdf

Brownells has them:

http://www.brownells.com/aspx/NS/sto...COMBAT%20SIGHT

I have previously asked LaRue for instructions on replacing the standard leaf sight on an LT103 with an XS same plane rear sight or if I could pay them to install it. They declined to provide instructions and suggested I contact XS directly to install it.

I am interested in putting one of these sights in an LT 103. Has anyone disassembled one? Any tips?

Has anyone tried Paul Howe's sight? Are the apertures one each leaf in the same plane?

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Sub,

It's actually easier to install it on a LaRue BUIS, well easier than a A1 or A2 rear sight. If you'll pay return shipping I'll install it into your LaRue free of charge.

Here's my Daniel Defense BUIS and I installed a Ashley same plane aperture.

http://img.photobucket.com/albums/v4.../03pics009.jpg
http://img.photobucket.com/albums/v4.../03pics010.jpg

I got to shoot (and watch way better shooters use) with this sight at Paul's carbine class back in Feb.

It's very fast up close, in fact I think the better(professional) shooters were able to take advantage of it more than the amateurs like myself. The notch is so close to your eye that it's pretty natural to center the post. Lots of pros at the class, lots of sights sold.

Paul only uses it at very close range...like less than 10 meters. Everything past that is sighted with the aperture. The idea was that he wanted a sight that he could engage everything from 0-300 yds without flipping touching the sight at all. He explained that in the fights he participated in(dominated;),) you needed to make a shot RIGHT NOW, at various distances.

I plan to buy one for the new DD rear sight.

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Originally Posted by nickdrak

Any idea if it is possible to install one of the CSAT aperatures in a Troy rear sight? The Troy rear looks easy enough to disassemble, but I am curious if the CSAT ap will work....

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Nick, I think this came up elsewhere on the forum and the answer was no. If I remember correctly there was talk of XS possibly making one if there was demand. I wouldn't mind trying one out; both of my ARs are M&P15As with the Troy sights.

Thanx, yeah the CSAT ap is currently a no-go in the Troy.

I called and spoke to Cody @ LaRue. He let me know that the set screw on the LT BUIS uses a 1/16" hex key, and that during assembly they use red Loctite to secure the set screw, so it must be heated up prior to attempting removal. He suggested a torch or touching a soldering iron to the head of the screw for a few seconds. I will try it out later tonight.