How to mount a red dot on a slide that was not built for this

bigHUN

bigHUN

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...if there is no pre-fabricated pocket or spot for mounting it - on a pistol/handgun.

The TT57 pistol was build somewhere about 70's and at that time there were no options on the horizon as of today.

My hands are not long enough to see the mechanical sight and for this reason I never bought a handgun before. This TT57 was gifted to me with a CFO authorization.
Recently I ordered a red dot, currently in the mail waiting for delivery any day.
Also, I downloaded the mounting footprint, only need to decide for ways to go. I have a friend's machine shop and I can alter the slide.

Curious to see how did you end up with? Any pics?
 
bigHUN said:
...if there is no pre-fabricated pocket or spot for mounting it - on a pistol/handgun.

The TT57 pistol was build somewhere about 70's and at that time there were no options on the horizon as of today.

My hands are not long enough to see the mechanical sight and for this reason I never bought a handgun before. This TT57 was gifted to me with a CFO authorization.
Recently I ordered a red dot, currently in the mail waiting for delivery any day.
Also, I downloaded the mounting footprint, only need to decide for ways to go. I have a friend's machine shop and I can alter the slide.

Curious to see how did you end up with? Any pics?
Click to expand...

Please do tell how the bolded portion works.
 
bigHUN said:
I have a friend's machine shop and I can alter the slide.
Click to expand...

Look at something like the 1911 grip mount, Aimtech is one maker. You should be able to position the mount for your eyes. Check for the direction of ejection so that the optic does not interfere with function.
 
Stevo said:
Please do tell how the bolded portion works.
Click to expand...
We asked the authorities (here in Ontario) how a "lease" or "borrow" a handgun works - from an other person transfer.
They sent an email with questions to fill.
Each of us filled the required information, and sent the email back to that office.
The transfer authorization arrived in email next work day to both of us, this total time spent on it maybe ten minutes for myself only.
Now in my case I will be extending this authorization six months, unless a positive change in laws. My friend doesn't want or need that old TT57 back.
My experience was really very positive.
 
Lodi said:
Look at something like the 1911 grip mount, Aimtech is one maker. You should be able to position the mount for your eyes. Check for the direction of ejection so that the optic does not interfere with function.
Click to expand...
So far that Aimtech seem to me working the best. A bit ugly, but looks stable.
The TT57 slide, if I would mill a flat on top of a slide, the wall thickness will be shallow (maybe about 3mm) for screw threads, and btw I would need to drill into the firing pin spring hole. So far I could not figure how to remove that pin+spring retaining cap thingy, it doesn't twist and cannot pull it out because the pin is sticking out.
Also for this setup if I would wanna use the rear sight dovetail as a recoil anchor, I am seeing on the interenet there are several sizes=width, but is not saying what is G1 or G2 or what. Looking now to educate myself.
Drilling into action block up front, from the side is even thinner wall, about 1.2mm that won't hold a thread.
Then my last idea was to drill into slide from top and mount a picatiny rail (short), but that again a weak connection relying on two small screws only without a recoil pocket or lug.
 
bigHUN said:
We asked the authorities (here in Ontario) how a "lease" or "borrow" a handgun works - from an other person transfer.
They sent an email with questions to fill.
Each of us filled the required information, and sent the email back to that office.
The transfer authorization arrived in email next work day to both of us, this total time spent on it maybe ten minutes for myself only.
Now in my case I will be extending this authorization six months, unless a positive change in laws. My friend doesn't want or need that old TT57 back.
My experience was really very positive.
Click to expand...
Ah, I thought you were referring to a transfer of ownership rather than borrowing. Thanks.
 
boxhitch said:
EGW makes a plate mount that fits the rear site dovetail
have seen these in serious use in competitions so they must work goodenuff
Click to expand...
Emailed EGW if they could help me identifying a mounting plate, I have a drawing with footprint dimensions.
It is very confusing different Brands using different naming convention for the holes pattern.
 
bigHUN said:
So far that Aimtech seem to me working the best. A bit ugly, but looks stable.
The TT57 slide, if I would mill a flat on top of a slide, the wall thickness will be shallow (maybe about 3mm) for screw threads, and btw I would need to drill into the firing pin spring hole. So far I could not figure how to remove that pin+spring retaining cap thingy, it doesn't twist and cannot pull it out because the pin is sticking out.
Also for this setup if I would wanna use the rear sight dovetail as a recoil anchor, I am seeing on the interenet there are several sizes=width, but is not saying what is G1 or G2 or what. Looking now to educate myself.
Drilling into action block up front, from the side is even thinner wall, about 1.2mm that won't hold a thread.
Then my last idea was to drill into slide from top and mount a picatiny rail (short), but that again a weak connection relying on two small screws only without a recoil pocket or lug.
Click to expand...
Would a metal fabricator be able to machine a custom mount that matches slide contours and could be ‘sweated’ -silver soldered or brazed onto the slide to provide a surface to mate the optic to?
 
hondroid said:
Would a metal fabricator be able to machine a custom mount that matches slide contours and could be ‘sweated’ -silver soldered or brazed onto the slide to provide a surface to mate the optic to?
Click to expand...
Yes, many ways to do it, I am only searching for options less possible machining or altering.
 
maybe try Canadian Safety Source, they have a long listing canadiansafetysource.ca/manufacturer/egw-evolution-gun-works
they had my Novak plate

take a measure of the dovetail and match it to something if your particular is not on a list
 
Last edited:
OP,
Your simplest option would be to install a dovetail mount, posted previously.

The position of the dovetail forward/middle/aft end so that the plate does not overhang the aft end of the slide or interfere w/ hammer operations.
The plate would need the FOOTPRINT of the chosen sight.
 
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