Wednesday, December 21, 2011

Orthodox trigger in air pistol

Two last weeks I shot with «tuned» trigger in my Steyr. I used the same idea in summer shooting free pistol and I liked it very much (the idea was described by Anatolii Piddubnyi in his article Muscle tone – guarantee of an accurate shot). And now I wanted to try something new and decided to do the same in air pistol. 1kg trigger in air pistol is not a big deal for me.

25-30 tens and one or two 7 is OK for such weekend shooter as me.





Traditional xmas gift from Steyr Sport

This year gift includes 4GB flash stick and nice postcard. The flash stick contains hi-resolution pictures of all available Steyr Sport products.
Thank you very much Steyr Sport.

Friday, December 16, 2011

TOZ-35-E. Trigger test.

Trigger test.

Wednesday, December 14, 2011

Rare book for gunsmiths

The famous Russian book about guns tuning from Alexey Danilov (DjVu, 3.3Mb).
Danilov worked together with USSR national team many many years ago. First class professional. The book is unfortunately in Russian.

IZH-1, TOZ-35, Margolin tuning... etc.

You will need DjVu viewer.

Sunday, November 6, 2011

IZH-1 Free Pistol

Michel T. has kindly sent us following photos of IZH-1 (IJ-1) free pistol. The rare and old free pistol from 1950s.





Sunday, October 30, 2011

Sunday, October 23, 2011

Electromechanical trigger – mechanics.

Trigger mechanics and solenoid.
The trigger works without any buttons (like new PARDINI electronic trigger).


Adjustable trigger weight and length (combination of three screws). Trigger position is adjustable too. Trigger shoe is not mounted yet.

Next step – circuit.

Wednesday, October 19, 2011

TOZ-49 like air pistol

At exhibition in Moscow ATAMAN company (aka BVG) demonstrated air rifles and this air pistol prototype based on famous TOZ-49 revolver (designer - Efim Khaidurov).
Efim Khaidurov examines the prototype personally.
The prototype prepared by Sergey Doroshenko (young student from Moscow) together with ATAMAN company.

In the Facebook album you also can see Mikhail Nestruev. I suppose that Mikhail is a senior consultant there.

Monday, October 10, 2011

MTs-55-1M User Manual / Bedienungsanleitung

MTs-55-1M (aka MU-55-1M / MC-55-1M) User Manual.

Bedienungsanleitung für MTs-55-1M.

Паспорт на МЦ-55-1М.

Download / Скачать. PDF. 15.5Mb (Russian).

UPDATE:

Download PDF. 1.5Mb (English).

Sunday, October 2, 2011

Compensator for air pistol

Feinwerkbau C5 CO2 pistol tuning.
I installed following compensator (separator).
This compensator was originally installed on Demyan’s first air pistol prototype. I adapted it for my Feinwerkbau C5 and I made new front sight since original front sight was too high for C5 (Demyan’s air pistol prototype had lower center line of a bore comparing to C5 and higher front sight was needed).
Front sight consists of aluminum stand and stainless steel triangle front sight fixed by M1.4 screw. The hardest thing was bluing of the front sight at home. Perma Blue of course shows no effect on stainless steel. Finally I heated up the front sight and wiped it with Perma Blue (3-4 rounds). Last 2-3 rounds I dropped the hot part in gun oil. These steps helped a little bit.



I also installed new trigger shoe (from Steyr):
How it works:

Gun bluing

As you know TOZ-35 free pistol has sometimes awful crooked front sights and rear sight blades. Blue-black appearance must be restored after the shape and geometry was fixed with a file. Till yesterday I used a workaround – temporary blacking with black marker and/or lighter. This time I decided to try liquid gun blue. Cold bluing.
I wiped all visible parts of the pistol with acetone (front & rear sights, scratches etc) and after all used Perma Blue by Birchwood Casey for bluing. I didn’t polished surfaces with 1000-2000 sandpaper. Only acetone and Perma Blue. And only one round. I am satisfied with results.
Unfortunately I was unable to blue the trigger shoe (not steel?). The rest is ok: trigger guard, screws, rear sight blade, front sight, muzzle, bolt. Looks nice.
Trigger guard before and after bluing.


Tuesday, September 6, 2011

IZH-46 PCP

Inventor searches for sponsor.
Single shot PCP IZH-46 with potential to be individually balanced for every shooter. Or for kids.
Inventor's website in Russian.

Saturday, September 3, 2011

Feinwerkbau C5 pistol

I have bought 20 years old Feinwerkbau C5 CO2 pistol for winter season. Substitute or alternative training for standard pistol and rapid fire pistol since I can train at 25m only from April till October.
The pistol is not bad. Tried precision shooting and no surprises at all. 46-48 is not a problem (my fast 10 seconds series were 42-47).
I have already completely disassembled the pistol twice (cleaning, checking for wear, settings) — looks good, good mechanics, no leaks. Adjustable grip angle. Nice pistol. The trigger is not so perfect as Steyr LP10E or Pardini SP1 RF, a little bit rough and scratchy, but I will check the settings again and may be it is possible to make it better.

Friday, August 26, 2011

Pardini SP1 RF overview

I wanted to test Pardini SP1 Rapid Fire electronics and bought one yesterday. New bolt, new electronics, but frame itself from 2009-2010. Looks like new one and 600 € off the catalog price. I couldn’t say no.
Pardini SPs have muzzle-heavy balance and too much rake in the factory grip angle as you know. The balance is new for me but not a problem.
The trigger is good. I tried some trigger settings and found what I wanted. Position of the trigger shoe can be adjusted in many ways and in the same time there is not so much place for index finger (see the photos below). My finger contacts with trigger guard. I have the same problem with my new Feinwerkbau AW93 grip (more raked angle). My index finger contacts the AW93 trigger guard in the same way. Therefore I must specially control and correct the position of my index finger before each series.
Solution with the batteries and power on/off switch is better than in Steyr LP10E – no nasty wires. In the same time it will be not so easy to reproduce own grip at home without good milling machine.
New bolt is light and has own buffer.
The ejector/reflector is built in magazine.
Test shooting was good. No problem with RWS C25. Fast recovery. Nice trigger. Nice groups. Smallest group I could achieve during test shooting had 45mm diameter.
Resume:
  • Trigger: excellent (except trigger guard);
  • Grip: good;
  • Balance: good;
  • Sights: very good (but a little bit high relative to the hand, could be lower, rear sight depth could be adjustable);
  • Standard deployment: very good (tools, spare firing pin, two magazines, carrying case);
  • User manual: bad;
  • Quality, surfaces, look & feel: very good; 
  • Shooting/recoil/control: very good;
  • All together: good+++;
Wish list:
  • Lower sighting line;
  • Adjustable rear sight depth;
  • More space for index finger;
  • User manual with all details;
  • Technically important 6th click in rapid fire must be possible with empty chamber and without plastic plug and other tricks (virtual 6th target).

TOZ-35 Balance

Wednesday, August 24, 2011

Role of team gunsmith

I am sure that all professional shooters know better what to do, but…
What exactly team gunsmith does?
Answer: permanent support during competition.
For example. World Cup in Munich 2011. Rapid fire pistol men. LLAMES Jorge (ESP) had a problem with his Matchguns MG2 pistol. Can happen. Having only one allowed malfunction during one stage Jorge shoots next series. He had second malfunction (I hope I remember it right).
Second example: European Championship in Belgrade 2011. Rapid fire pistol men. BONDARUK Roman (UKR) had allowed multifunction during second stage (it was first 6 seconds series as I remember). What he does? Roman took time-out. Being sure that the pistol works and all problems are fixed Roman finishes with the next relay. Second place and Olympic quota place.

Old rapid fire pistol final format at German Championship 2011

Thumb up!
It obvious that new final format is not ready and has nothing to do with fairness.
Only happy winners say «I like it». What else should they say? «I am not happy to win being 10 points behind qualification leader»!?!? But today's happy winners must remember, that next time being 10 point ahead in qualification they can be last after new «media-internet-publicity-social-facebook-youtube friendly» final.
In the meantime we will enjoy old style final format at German Championship 2011.

UPDATE:
Zeroing of qualification score in the final stage is less of a problem. My frustration is caused by scoring:
10.9 + 10.9 + 10.9 + 10.9 + 9.6 = 53.2 (4 points)
9.7 + 9.7 + 9.7 + 9.7 + 9.7 = 48.5 (5 points).

Sunday, August 21, 2011

Make trigger shoe for Hämmerli SP20

One lazy Sunday. I wasted five hours making new aluminum trigger shoe for my Hämmerli SP20 .32 S&W center fire pistol.
Original trigger shoe is ugly and designed for very short finger. And it is made of metal powder (powder metallurgy). It is possible to break it with your finger during trigger pull. Can you imagine – you are during a competition with broken trigger shoe?







Thursday, August 18, 2011

Make a pistol grip - part 8. Final.

This is a final post about how I made a pistol grip.
I trained two weeks with this grip and today I finalized shape and all surfaces.
The first problem was with the equipment measurement box for 25m pistols (300x150x50mm). The pistol was a little bit higher than allowed 50mm (about 54mm). I polished the left part of the grip to fit the measurement box. The right part is untouchable. Remember, if your grip fits fine but doesn’t fit measurement box – cut or polish the left part.
The second problem was 90-degree rule and I had to fix palm shelf angle (1mm).
The final step – polishing. I polished all surfaces with a sandpaper #40. Then took soft cloth and wiped all surfaces with warm water. After the surfaces dried I polished them with sandpaper #100. Then repeated the wiping with warm water and let it dry. Polished all parts once again with sandpaper #220 and wiped them with warm water. Let it dry. Finishing in my case was 100% natural linseed oil (flax seed oil). All parts are twice-coated. Flax oil is proper protection for wood in this case.
The photos are nothing special. Bad light. Wooden pattern shines under sunlight. 



I also promised to make a photo of my two main tools. Stubai firmer-gouge #6 and Stubai chisel 13mm.
 In September-October I will back to electronic trigger for the TOZ-35 free pistol.

Related links:
Make a pistol grip - part 1
Make a pistol grip - part 2
Make a pistol grip - part 3
Make a pistol grip - part 4
Make a pistol grip - part 5
Make a pistol grip - part 6
Make a pistol grip - part 7

Tuesday, August 9, 2011

TsKIB SOO MTs sport pistols

I have already posted some information about MTs 55 free pistol and TsKIB SOO but this time I want to try to cover all sport pistols (except air pistols).

Intro:
TsKIB SOO is the research bureau of sports and hunting weapons.
The prefix «MTs» coded in the name of a model means «Model of TsKIB».
It is very hard to find any centralized information about MTs pistols and I hope that all dates are right. I will try to contact TsKIB and we will see if we get any official historical information, manuals, photos... something.

Early free pistols series: MTs 2, MTs 2-1, MTs 2-2 and MTs 2-3 (1956).

Early rapid fire pistols series: MTs 1-1, MTs 1-2 and MTs 3-1 «Rekord». All these models were based on the pistol designed by Mikhail Margolin (1906-1975) in 1946-1948.

Later the series of rapid fire pistols got a new breath:
MTs 1-3 (designed in 1974, 97 pistols produced between 1981-1985)
MTs 1-3M
MTs 1-3M2 (designed in 1981, 239 pistols produced between 1981-1990)
MTs 1-5 (1989)
MTs 59-1 ('80s, new design with a magazine before trigger guard)

Late free pistols series:
MTs 55 (1961-1980, 1795 pistols)
MTs 55-1 (1971-1990, 466 pistols)
MTs 55-1M (1981-1990, 514 pistols)

In '80s was designed MTs 57 (MTs 57-1, MTs 57-2). Special model for 25m sport pistol women event.

In 1994-1995 was designed special model for military rapid fire pistol event (CISM) – MTs 440.

Additional information about Margolin’s pistols. One more interesting article about Margolin.

MTs 55-1M manual snippets:
MTs-55-1M User Manual in PDF format for download.