Colt Walker question

[Bunk Stagnerg]

Hello out there

Recently I acquired an Armi San Marco 1847 “Walker” reproduction. It is in pretty good shape but I am puzzled about two things so perhaps someone out here can help me.

First the date stamp is XX7, and I have found that XX is the code for 1964 but what is the 7 represent?
 
Second what is the trick to unhook the main spring from the trigger guard? It looks like you would push the spring down to clear the hammed and slide it down off the hook. Is that correct or is there some other trick?

I am familiar with the inner workings of most Colt percussion guns, but this “V” spring thing really has me stopped.

Any help will be appreciated.

Respectfully submitted.
Bunk

[Gabriel Law]

  Assuming your pistol is the same as my Uberti...First remove the barrel and cylinder.  Clamp the action in a padded vise and remove the two screws from the rear of the frame.  Now remove the screw from the bottom of the grip.  The grip back strap will now slip off and the one piece wooden grip.  The mainspring slips off pressing downward.  The rest of the action now comes apart very easily.  If the spring is under too much tension to slide it down, use a tool to push the hook of the mainspring away from its contact with the hammer, and remove the hammer.  Now the spring will be relaxed, and should slip off it's stud.

[Bunk Stagnerg]

Thanks Gabriel
I finally got it off like you said. I made a a spring cramp, took off the trigger guard with the spring on the hook, and finally broke the spring free. 51 years of grease, oil and dirt had it stuck to the trigger guard, but patience and penetrating oil did the trick.
I looks like the rest is pretty much standard Colt inner parts.
Again thanks for the help.
Bunk

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[Fingers McGee]

XX7 is date code for 1971

The Walker nipple wrench/screwdriver is also the spring take down tool. 

[Gabriel Law]

FG:  that is interesting!  Can you post a photo to demonstrate its use?

[Fox Creek Kid]

...First the date stamp is XX7, and I have found that XX is the code for 1964 but what is the 7 represent?...

It is a futuristic phased plasma handgun (40 watt range) from the future disguised as a Walker. It is from the year 2647. Be careful.    

[Coffinmaker]

When Armi San Marco was still manufacturing their Phased Array Handguns (40 Watt range), craftily disguised as Colt Handguns,
they (Armi San Marco) were known to frequently copy Colt Parts and dimensions VERY closely.  If you find some parts unserviceable, and
can find real Colt parts, the Colt parts will probably fit.  As will most Uberti.

Coffinmaker

[Bunk Stagnerg]

The thing is now taken down completely and all the oil, dirt, and crud cleaned from the frame and inner parts. From the size of the cylinder and the cavernous hole in the barrel i would suspect that it will be more that 40 watts. in fact the barrel is marked 44 something which leads me to believe it will be big time fun to shoot. It makes my 1860 Army look like a toy. All it needs is wheels and a crew.
Bunk

[Professor Marvel]

ah My Good Coffinmaker-
you are just getting funner and more funner!
yhs
prof ( i better watch out ) marvel

[Fingers McGee]

FG:  that is interesting!  Can you post a photo to demonstrate its use?

Picture of one here http://possibleshop.com/s-s-nipple-wrench.html#cbnipplewrench

place the backstrap/spring in the arch and slide it up untill it compresses the spring.

[Coffinmaker]

Ah Bunk,

Now you've done it    The only thing maintaining the Howitzer's tolerance(s) was the crud and rust you have just so thoughtlessly removed.   Now you'll never get it back together the way it ......... was.  Now, reassembled, with a little judicious application of grease(s) and oil(s), it may just function as it was designed to do 

Now that you have observed that tunnel (some call it the bore) and the caves where the led bats reside, just think of facing the monster from the (gasp) wrong end    Just bend over and kiss your sweet           goodbye     Stuffed full of 2f it will light up the night sky and set off every car alarm for miles.  Capitol FUN!!

Coffinmaker