Playing with my SA too: Aristocrat Tri-set.

[CZ75SA]

I have my CZ 75 SA for a year now and slowly it changes to a personalised CZ.

After having installed a set of LPA TFT series sights with fiber inserts I had the idea that I was looking to a traffic light.
I went for the LPA TRT/Bo-mar style sights but just a day before milling I found a used an Aristocrat Tri-set sight. That I always loved!
Finding out the right dimensions of milling took me some time but I am satisfied with the result. The CNC milling I did not do myself. I have it all in draft so when interested I can mail the used dimensions.









As you can see the sight covers the (shortened) extractor pin. One ugly hole less. I used a LPA SPR series front sight. I havent shot it, that will have to wait a (long) two weeks. I will post my findings, I am curious after the sight height, can I adjust low enough???

Jeroen

[Virginia Jake]

That is one huge rear sight!  I wonder how that thing will hold up?  How is it held in place?  I saw the photo of the milled out area, but I did not see any dovetail or threaded holes for screws.

It looks like the sight is adjustable for four or so pre-set positions.  I think that Metalic Handgun Silhouette Shooters used to use this kind of sight on handguns.  I have not shot that sport in many years, so I don't know if it is still being used.

Great photos!  Keep up the great work!

Yours,
Bob Troxell.

[CZ75SA]

And hello Bob,


It is hold in place by a extra cut-out. Two screws are used to hold it there.
It is a three position. Indeed for Silhouette Shooters etc. I shoot on a few ranges with different lighting. And I like the looks of it.

Greetings,
Jeroen

[Virginia Jake]

That is a great picture!  As they say, "a picture is worth a thousand words"!

Yours,
Bob Troxell.

[CZ75SA]

Positive!
If anyone would like to try this set-up, there is no reason why not. Just came back from the range and after a 300 shots I can say that this sight is a very god one. Nice large blade, nice blade-angle so no light is reflected.

I used one position for 25 meters aim-point hit point (is there a nice English word for?) and one position for just under the black from a target card.
Leaves me one position. For a other range with other lighting I think.

[Walt-Sherrill]

I have a custom AT-84s with a similarly mounted sight.  It has a  BOMAR which uses a leingthwise dovetail that is very, very wide, and is secured by set screws ('though not as big as in the photo above.)

Its a nice sight, but the big disadvantage of this type of sight is that you can never change to something else.  Once you take the new sight off, the only thing that will work is another sight using the same mouting system.  

(Not that you'd change to a different sight once you've invested this much in one in parts and labor.)

[CZ75SA]

"you can never change to something else"

That's very true. On the moment the mill took the first bite I was thinking" It has to work or I can throw the slide away"
It works and I do'nt change it again. No, next would be an other Cz, a SP-01 probably. But first I have still a number of other changes for this gun in mind.

Do you have a picture of the Bomar set-up? That is also a sight meant for the 1911?

[Walt-Sherrill]

Re:  the AT-84s with the special Bomar mount:



A part  in the sight (the detent for the elevation adjustment) wore out and I had to send the sight back to Bomar.  They noted that somebody (prior to me, actually, as I bought it used) had changed one of the mounting screws, so it was no longer under warranty.   But they repaired it free -- and I had expected to pay in the first place.  

Bomar has very nice people who support their products, even when someone screws with those products.

The guns shoots better than it looks and I think it looks pretty good.  (Supposedly built by a big-name gunsmith [Boland] who specialized in 1911s.  I have no proof of that, but many nice, custom features, including extended controls, bobbed hammer, checkering on the front/back straps, and a mag well.  Wonderful trigger in both SA and DA.)  I had to replace the front sight when it died, too, and that was harder, as its staked with a funny Millett-type set of posts.  It also had some strange custom contraption with an insertable tritium element.  Just went with a plain blade on the replacement.

(The slide was originally parkerized, but I had it nickel-plated by Jack Fuselier in Texas.  Fitting the refinished slide to the frame was a task, as the slide to frame fit on this gun was very tight to start with...)

[shadetreeb]

is that mag well part of the gun or was it add on.  I like it.  Nice and subtle.

[Walt-Sherrill]

Part of the gun.  (You'll notice that the grips were modified to fit AROUND the mag well.)

All of the various features, including the extended controls, were subtly done.   Jim Boland was a master craftsman.  I've seen several other guns that he did, and they shared many features with this one -- so I suspect this is one of his guns.  

(No marks inside, anywhere, that I could say were his maker's mark, however.)

He died a year or so ago.

[CZ75SA]

Very nice. I go for such mag well too, nice next project.

Thanks for the picture Walt.