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Recoil Rods

Printed From: AMT Guns information
Category: Auto Mag Pistol
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URL: http://www.amtguns.info/forum_posts.asp?TID=882
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Topic: Recoil Rods
Posted By: Conny
Subject: Recoil Rods
Date Posted: 10 Dec 2011 at 3:24pm
Gentlemen,
Somewhere along the line I read some place that there are two lengths of recoil rods. Anyone know anything about this? My North Hollywood takes 200(?)mm rods? I can't remember or I am remembering incorrectly.

Thank you.


-------------
Rangers Lead The Way,

Duane Leiker



Replies:
Posted By: Luc V.
Date Posted: 10 Dec 2011 at 3:44pm
It's not the length that matters LOL,but the diameter makes a differance.
You're correct there are two sizes recoil rods, but only in diameter.


Posted By: Conny
Date Posted: 11 Dec 2011 at 1:10am
Thanks for the reply Luc. Do you by chance know the diameter sizes? I know my N.H. takes the larger size but will the small size work just as well?

-------------
Rangers Lead The Way,

Duane Leiker


Posted By: Yoshi
Date Posted: 11 Dec 2011 at 1:24am
Smaller one is .182 and larger one is .200 diameter.
 
I don't think they are interchangeable. Also from my memory, some pepole reported that their guns came with mix of those two sizes, say left rod is .200 and right rod is .182. It's hard to believe, but maybe that was the level of quality control at the factory at one point.
 
Yoshi
 
http://www.gunsprings.com/Semi-Auto%20Pistols/AMT/AUTO%20MAG%20.357%20%26%20.44/cID1/mID7/dID9" rel="nofollow - http://www.gunsprings.com/Semi-Auto%20Pistols/AMT/AUTO%20MAG%20.357%20%26%20.44/cID1/mID7/dID9


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http://www.blackstonear.com" rel="nofollow - http://www.blackstonear.com


Posted By: Auto Mag
Date Posted: 11 Dec 2011 at 2:21am
Originally posted by Yoshi Yoshi wrote:

some pepole reported that their guns came with mix of those two sizes, say left rod is .200 and right rod is .182. It's hard to believe, but maybe that was the level of quality control at the factory at one point.
 
Yoshi
I doubt they were shipped that way, my guess is that they were either lunch box guns or someone swapped one of them at one point in the guns life.
 
But then again never say never,,,


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Who was that masked man,,,


Posted By: Conny
Date Posted: 11 Dec 2011 at 6:21am
I would be interested in buying a couple of the .200 diameter rods if someone has them for sale. Springs as well.

Thank you for clarifying my clouded mind gentlemen.




-------------
Rangers Lead The Way,

Duane Leiker


Posted By: Luc V.
Date Posted: 11 Dec 2011 at 7:16pm
Originally posted by Auto Mag Auto Mag wrote:

Originally posted by Yoshi Yoshi wrote:

some pepole reported that their guns came with mix of those two sizes, say left rod is .200 and right rod is .182. It's hard to believe, but maybe that was the level of quality control at the factory at one point.  
Yoshi
I doubt they were shipped that way, my guess is that they were either lunch box guns or someone swapped one of them at one point in the guns life.
 
But then again never say never,,,
 
Well George, I'm pretty sure mine came with two different recoilrods.
I posted this looong time ago.
I bought my TDE third hand, and knew the previous owners. The first owner just shot couple of mags with the original supplied ammo. (CDM) I even have the ammo box with the rest of the cartridges.
Number two owner inherited all the guns from the first owner (his hunting partner, which died in a car crash).
Number two owner never shot a round trough the barrel of the Automag.  He was not interested in handguns, but kept it 'just to look at' for a time. 
He sold it later to number three owner (me myself and ILOL) and I discovered that the recoil rods where two diffrent sizes, since I did shot it, cleaned, stripped, etc.
Thanks to this forum -or better the older one from Rick- I found the correct sizes of rods, and have now two "large sizes" in the pistol.
 
So it must be true that some guns where shipped with two sizes rods, as I'm sure the previous owners never took the Automag appart.
 
Lunchbox pistol?, I doubt it if mine was, it is a "lions head" TDE.
Quality control?, was there ever such a thing in the Automag production? I remember that Lee Juras once said that ALL automags are actually prototypes.Wink
 
Oh, one thing is sure, mine was proof tested in the Belgian proofhouse, and passed the safety proof with 50% overpressure... 


Posted By: 7mmMKsuper
Date Posted: 11 Dec 2011 at 8:54pm
Hey Luc,
      I assume that the Proof House has marked it accordingly, Have you posted pictures of the proof marks?  How many and where do they mark the Auto Mag?

Sorry for hijacking the thread, but I would be interested in the process that you have to go through for the proffing, if you would not mind posting it Luc.Geek

Thanks,
MK



Posted By: Auto Mag
Date Posted: 12 Dec 2011 at 2:50am
Hi Luc,
 
Like I said "never say never"  but I still have my doubts,,,
 
When it comes to Auto Mags I have met very few 100% "original" owners.  I can even tell you about several who thought they were and had been sold previously owned guns by less than honest gun dealers,,, 
 
Who knows, maybe they (the factory) did it intentionally due to a shortage of the smaller/new style rods, or maybe someone thought this was a better idea for some reason. 
 
Wonder if Bruce can shed some light on this. 
 
Just curious, what serial number range is your gun? (6000 - 6500, 6500 - 7000, 7000+)
 
Also wondering what specs the proof house folks used.  50% over pressure is a lot if they used original loading data, I'm not sure you could you could get enough powder in the case to get it that high, or maybe they stop at a case full of powder???
 
Guess this is one of the reasons Auto Mags are so interesting, their history if so complex and undocumented,,,
 


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Who was that masked man,,,


Posted By: Luc V.
Date Posted: 12 Dec 2011 at 7:58pm
MK,
here some info about the proofmarks from the Liege proofhouse on my Automag:
 
 
The three major important parts need to be stamped with the accepted proofmark:
The barrel, the frame and the bolt.
Barrel:
 
 
Frame, just in front of the trigger guard:
 
The bolt:
 
 
 
Same procedure on the AMT V, barrel, frame and slide (which acts as the bolt)
 
 
 


Posted By: Luc V.
Date Posted: 12 Dec 2011 at 8:28pm
George, the serial of my Automag is A067xx.
True George, you can never be 100 % sure you're the first owner, unless you could get one dragged out of the factory ;-))
 
 
Some more info about the Belgian proofhouse procedure.
In Belgium -and many other European countrys-, all guns must be presented at the proofhouse in Liege (Town in Belgium) when they come into the country. No one can posess a gun without the proofmarks!
They do function tests, safety test, but most important the excess proof. I don't know all the exact details, but if you present a gun for which there is no known CIP  approved ammunition, you need to give them factory ammunition to test the gun with.
They have all the necesary 'tools' to test for pressure etc, and they make their own proofloads based on the factory ammo pressure. I dont think they use reloaders guides to make the proofloads.
I suppose it dont matters what brand of powder to use, it's the pressure which is important.
 
After the excess pressure test, the gun gets stripped, inspected and stamped if passed the inspection.
The inspection is done with some sort of "chemical reaction" (dont know the exact term, magnaflux?) so if the guns should have even the smallest cracks somewhere, it would become visible. 
I have posted a link with interesting movies from their testing some time ago here on the forum, but cant find it now.
 
Website from the proofhouse (French or Dutch only): http://www.bancdepreuves.be/accueil.asp" rel="nofollow - http://www.bancdepreuves.be/accueil.asp
 
 
 
 
 
 
 
 


Posted By: 7mmMKsuper
Date Posted: 12 Dec 2011 at 10:29pm
Luc,
    Does the requirement for the proof marks extend to visiting hunters/Competitors guns also. (This assumes that one can even bring a weapon into the country for sporting purposes)  Would they Proof a gun for me if I were to bring it to them for that purpose?  I will work on translating the webpage for my own information also, thanks for the link. 

Thanks,
MK


Posted By: Auto Mag
Date Posted: 13 Dec 2011 at 1:51am
Hi Luc,
 
Have you ever checked with LEJ to make sure if that was in the serial number range he sold and if he had any info on the original sale?  That could be your first clue about the guns history.
 
I also seem to recall him telling me once that the factory was at one point shipping him guns that were missing parts.  Apparently they were short on some items and shipped the guns a a good faith kind of thing.  If your was one such gun and short a recoil rod, its possible they sent missing parts and did not tell Lee that they had changed the size of the rods and the new one got put in by mistake.  But thats just a wild guess,,, and but one of many ways it could have happened.
 
Interesting to hear about the proofhouse, what ammo did you give them to use as a standard?  CDM vs Norma vs Super Vel vs Beals Bullets ve Lomont Bullets would all have different pressures.  I would not want to try to add 50% to Super Vel or Lomont ammo (thats if you could even get that much powder in the case) but 50% over CDM might not be too bad,,,
 
As for the inspection process, magnaflux is not chemical, its iron powder and a magnet, Zyglo and other dyes are possible but would not be my first choice for this application. Sorry I dont read/speak French or Dutch so I didn't get too much from the web site,,,
 
Sure makes you wonder what they were thinking when they came up with this elaborate process to test each and every gun, is it to protect the citizens, the gun owner who might never shoot it if he is just a collector, or the potential shooter.  The only one that makes any sense is the shooter, but they are so few in number it makes me think not.  So that still leaves me with the basic question "why" ???  This is clearly a big operation to fund so it cannot be inexpensive,,, So again, why do it,,,
 
Sometimes its better that we dont ask, the answer may only lead to other questions and OUTRAGE whan we get the answers we seek!  ;-)
 
Thanks for sharing  - GH


-------------
Who was that masked man,,,


Posted By: Luc V.
Date Posted: 13 Dec 2011 at 5:07pm
MK,
The proofing is not needed for people visiting Belgium with their personal firearms.
You can come hunt or competition shoot here with non proofed guns.
 
However, if you whish to present your guns to the proofhouse for proofing, this is possible as a private person. Not even very expensive. (23.22 euro if you make an appointment, and 50% more if you want the tests done on the same day you bring them in)
 
To George,
The history of the proofhouse in Liege goes back to the year 1672 !
 
Why?, It was mainly put in place to protect the safety of the citizen and the weapon industries in the area of Liege.  They made the safetyrules to what a gun must be capable of. (pressure-wise) 
There were many gun manufacturers in the area of Liege in 'the old days'. FN Herstal is still the biggest and most known. (Herstal is just a small town near Liege)
To bad you can't read Dutch or French, the history page on their website is very interesting. (but to much work for me to translate ;--/
It really doesn't matter if you shoot the guns or not, ALL must be proofed. (with very little exceptions, I know...)
The proofhouse is also the only company which may transform some sorts of firearms, such as convert full-auto to semi auto. Civilians can not posess full-auto, just semi.
They also do the "wrong thing":-(( Making good guns useless...Deactivation. Note that I say useless, not worhtless!!
 
They are also responsible for the registration of the guns comming into Belgium. All guns must be registered in the CWR. (National gun-data bank)
 
The proofhouse has also some sort of legal power. It can act as a sort of suppreme court to make judgements about guns related lawsuits.
 
I'm not sure the procedure for inspection is Magnaflux, but is something with dyes and special lights to bring the flaws visible?
 
Interesting you say this about the ammo provided for the proofloads... I guess the test should have done with the CDM ammo which came with the gun. This is the box I still have with the remaining cartridges.
Just to be clear, I did not got the gun tested, it was the gundealer which imported the pistol in the' 70 s.
The proofhouse make their own pressure test cartridges. It is to verify the pressure they need factory ammo. This way I guess they make a cartridge with 50% more pressure, whatever powder they use is not important. I guess you can easily make a 50% excess pressure with just a little of Bullseye!
 
 
Yes George, I did asked Lee if he remembered or had files to which dealers he sold pistols in Belgium or Europe. Sadly he didn't had any info about it no more.
 
Well, it's interesting trying to track the history of a specific gun, that makes the Auto Mag's interesting, and us busy...LOL


Posted By: Auto Mag Whisperer
Date Posted: 13 Dec 2011 at 10:01pm
I checked some Pasadena prints and measured the recoil rod thickness on two early guns and it seems that the small (.182) recoil rods were used for the first design. 
When the solid bolts were introduced, I remember that Ed O'Neil told me that the recoil rods were made larger to hold the new stronger recoil rod springs.
At one point I measured the (strength / pressure) of the smaller springs as compared to the larger diameter springs and could find no big difference between the two.
Fast forward to the modern days and the insight of Max Gera.
Max likes the solid bolt over the hollow bolt but for reasons I didn't expect.  It was not the fact that the solid bolt is a stronger carbon steel or the fact that it is easier to manufacture.  It is the fact that it is heavier than the hollow bolt.  Max says the extra weight is a plus for many reasons.  I will let Max explain this. 
My guess would be that the larger recoil rods being larger are also heavier.  Their weight is effectivly added to the weight of the heavier bolt. 
Were the rods made larger to increase the overall weight of the bolt + cocking piece and recoil rods as a unit ?  
If we are lucky, maybe Max will explain why the extra weight is a plus. 
 
As for QC.  It was there sometimes and not at other times.  Brian can tell us about that as he was the service manager for several years.
 
Just my best guess.................Bruce S.
Geek
 


Posted By: Auto Mag Whisperer
Date Posted: 13 Dec 2011 at 10:47pm
Grest posts Luc. Clap I would like those flaming bomb proof marks on my Auto Mag.  I seem to remember some of our early WWI rifles with flaming bombs.
In Australia, when they could own handguns, their Govt. required that the barrel extension on the Auto Mag be serial numbered.  They considered it to be the receiver, which it is. 
An International that went to Thailand has its gun license engraved on the front of the frame.  Someone later removed the engraving. 
I think these extra markings make the gun more valuable due to its unique history. 
 
Bruce S.
 


Posted By: jw4570
Date Posted: 13 Dec 2011 at 10:56pm
If anyone owns european guns, you will find proofs on them.  Some US makers do their own proof testing, but not all.
 
I know my Parker Hale was proofed in England, and I have FAL parts with Belgian proofs on them (sadly no original receivers, only semi auto).
 
I think proofing is a good thing, and that all manufacturers should do it.  If for nothing else, than liability protection.
 
Jason


Posted By: Luc V.
Date Posted: 14 Dec 2011 at 8:07pm
Just for those interested in the Belgian proofmarks, below is a website link with very good information on the proofstamps. (sorry it is only in French language)
Sometimes we can track back when the guns were proofed and who was the inspector etc.
I hope you can make something out of the drawings from the stamps. Maybe some of you will have guns with one or more of those Belgian proofstamps.
I'm sure none of you would like to find the proofstamp (second from last on the webpage) on your guns!!
"Définitivement inapte" is French for 'final deactivated' Angry
http://mallorquina.pagesperso-orange.fr/source/page2.htm" rel="nofollow - http://mallorquina.pagesperso-orange.fr/source/page2.htm



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