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Old 01-14-2020, 08:20 PM   #31
P88
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I took some photos of various 22lr strikes. 2 from a Vudoo rifle, 1 from a TPH, 1 from a PPQ, 1 from a P22 and 1 from a 1969 made PPK/S. It's clear that all the handguns have lighter strikes. The TPH and the PPQ have what appear to be the lightest strikes of the handguns.






I've tried, in vane, to post the photos. Not sure what is wrong...

Last edited by P88; 01-14-2020 at 08:26 PM.
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Old 01-15-2020, 04:45 PM   #32
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Grayfox .22
Mike, the problem has always been light primer strikes. It may well be a headspace problem. But I've been messing with this for 3 years off and on and I'm just fed up with it.
I sent it off to M&M today. Let a professional deal with it.
I'll keep y'all updated.
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Old 01-17-2020, 02:55 PM   #33
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ssivbreger .22
I'm a little late ...
Okay, suddenly someone will need it.
This happens when the slide cup is too deep. Then, when the cartridge is retracted into the chamber, the flange does not reach any fraction of a millimeter to the rear end of the barrel. This may not be visible with the bare eye.
To check for sure, You need the "Field" Gauge.
https://en.wikipedia.org/wiki/Headspace_(firearms)
When fired, the striker must first push the cartridge completely into the chamber, this steals the energy of it ...
Misfire.

PS I saw this on the Hungarian "Walthers" made for the Arab Leagu.
The barrel fix pin is "not in spec". After 30-50 shots, the barrel moves slightly forward and misfires begin ...

Last edited by ssivbreger; 01-17-2020 at 03:11 PM.
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Old 01-18-2020, 09:57 AM   #34
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Yeah, I'm pretty much thinking its a headspace problem. But I have neither the equipment nor the expertise to deal with it. Its in M&M's hands now. Turn around should be 4-6 weeks. I'll let y'all know how it turns out.
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Old 01-18-2020, 10:25 AM   #35
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I had a recollection that we discussed this before, and a bit of searching turned up this:

https://www.waltherforums.com/forum/...ph-1979-a.html

M
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Old 01-19-2020, 04:40 AM   #36
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ssivbreger .22
Quote:
Originally Posted by Grayfox View Post
...I have neither the equipment nor the expertise to deal with it...
You can do without a gauge.
You will need a rods of a suitable diameter. (Toothpick, refill ballpoint pen еtс.).
To check, you should to assemble the slide WITHOUT a striker.
Place the LIVE cartridge in the chamber, with the appropriate attentive and careful attitude.
Then, sequentially, through the channels of the barrel and the striker, you should push the cartridge back and forth. If there is a feeling that the cartridge is moving, then this is it.

PS Recovery, the process is not complicated, but rather painstaking, it would be advisable for a truly specialist to do this.

PPS In principle, you can do this without removing the striker, by pushing on the rear end of the striker ...
But given the presence of a live cartridge in the chamber, it will be appropriate to remember the standard network “disclaimer”. ;-)

Last edited by ssivbreger; 01-19-2020 at 04:56 AM.
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Old 01-20-2020, 03:11 AM   #37
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Nevervolunteer .22
TPH light strikes

Living in South Africa at the moment, being able to defend yourself and your family is an everyday reality, I was attacked last year for my watch and had 2 shots fired at me at less than a meter, first shot deflected off my cars side window and the second went through the door, broke up on the locking mechanism and the shrapnel went through the door panel into my calf, so carrying a reliable self defense FA is quite literally a matter of life or death over here.

Most days, I carry a Glock 19, but on those occasions that it is impractical to do so, I sometimes carry an Interarms SS TPH. I got her new in the box about 5 years ago and have done the following to try and ensure 100% reliability:

1. Polished all the surface areas on both the firing pin and tunnel that it slides in. I used the finest waterpaper I could find, 1600 and got both to be mirror smooth, measuring the dims before and after, there was virtually no material removal, just a polishing action. I also stoned smooth the surface area on the hammer that contacts the slide to reduce as much friction as possible. My slide and frame rails are well machined with no machining striations that could increase the friction when cycling.

2. I found an identical spring in my box of spares, to the original and slowly, 1 coil at a time, reduced the spring tension to a point where I though it was soft enough to allow for increased forward momentum but still strong enough to do it intended job.

3. The most impprtant mod. I reprofiled the firing pin, making the chisel point "sharper", not sharp as in a knife's edge, just enough to reduce the striking face about a third to a half smaller. Thereby increasing the force from the firing pin onto a smaller surface area. NOTE: I did not shorten or reduce the pin at all, just concentrated the force onto a smaller striking area. I did this VERY slowly and carefully, maintaining the chisel shape angles.

Before doing any of these mods, I fired about 9 different brands of ammo through her and then compared the indentation in the cases to before and after. Even without any specialist measuring instrumentation, the deeper strike indentation is quite apparent.

Lastly, I replace my carry ammo every 2 to 3 months, just in case the jarring of carrying ammo in the pistol in my pocket, breaks up or dislodges any of the priming compound.

At 1 point I carried the Winchester 45 grain standard velocity, thinking that the higher weight would give me better back pressure and resultant cycling reliability, but after a failure to cycle on 1 of my function tests, I'v switched over to CCI Stingers as I found my TPH functions better with them without any ignition, cycling, feeding or ejecting issue thus far (about 25 in function tests that I try and do every 2 months or so) Lastly, before carrying my TPH, I cycle the slide a few times to make sure there no gumming up of lube and check there no pocket lint anywhere from the previous days carry.
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Old 01-20-2020, 06:40 PM   #38
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That is a pretty thorough going over. Is .22 ammo hard to come by? Are pistols like Ruger LCPs hard to come by? No work to the mainspring then. Around here I think most people carrying a backup want one with a very reliable reputation to begin with. Of course firearms are easy to purchase in the US. 1917
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Old 01-22-2020, 01:45 AM   #39
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Quote:
Originally Posted by 1917-1911M View Post
That is a pretty thorough going over. Is .22 ammo hard to come by? Are pistols like Ruger LCPs hard to come by? No work to the mainspring then. Around here I think most people carrying a backup want one with a very reliable reputation to begin with. Of course firearms are easy to purchase in the US. 1917

Hi. .22 ammo availability is a bit erratic, there is usually stock on the shelves, just not a big selection at any 1 time. The distributors here, import ammo in batches, so when a container arrives with say CCI, all the decent shops will have good stock of that brand, but once it sells out, we have to wait for another shipment of the same. The trick is to buy a decent quantity of what your fiream likes and top up when the latest shipment arrives. We also get regular shipments of good quality European target ammo like Eley, SK and Sellior & Belloit. Last year I was able to get some Texas ? / Mexican made ammo, Aguila, which has surprised me with its accurate grouping and consistency in both my target rifle, a Target Tactical 10/22 and a CZ 455.

Quality brands like Ruger are also available, just very pricey, with spare mags etc almost unobtainable. Walthers on the other hand are very very common here, predominantly 60's and 70's vintage, everything from 22 PP's, PPK's to .380's. It is not that uncommon to come across a mint almost unfired PPK complete in its box with tools, test target etc in the 350 to 400 USD price range. Jumping through the hoops for licenses is the biggest issue here.

Sorry for the hijack, but though it polite to respond the question.
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Last edited by Nevervolunteer; 01-22-2020 at 01:45 AM. Reason: Grammar
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