22/45 ..... broken Mainspring Assembly

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45blackhawk

Bearcat
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Dec 25, 2012
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Here's what I think should be a "never happen" ...... Broken Mainspring Assembly

Just last week my 22/45 Mainspring Assembly broke. Here are two pictures:
top: my actual broken assembly
bottom: what the unbroken assembly looks like. The red arrow shows the "tab" which broke.

I bought my MK II 22/45 new in 2001 and have fired it at least 26,000 times over the years.

Anyone ever hear of such a failure as this before ??

68083_600x400.jpg


..
 

hittman

Moderator
Staff member
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Seems you’re hard on equipment. :lol:

Won’t Ruger send you one for free or do they want the whole gun back?

No, I’ve never seen one broken.
 

06dilly

Single-Sixer
Joined
Feb 24, 2018
Messages
117
Location
Minnesota
I had that staked pin in your picture there walk sideways on me. About wrecked a Mark 1 frame before I realized what was happening. Didn’t even think about asking Ruger for one at that time. Since then I’ve asked for small parts and they sent them right away, no charge. Would love to hear if they replace the assembly for you.

TomD
 

45blackhawk

Bearcat
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Dec 25, 2012
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SoCal
UPDATE

Some amazing luck !!

First ....... A pal of mine here in town actually had a spare 22/45 Mainspring Assembly in his parts bin !! It installed no problem, and then some live-fire testing: no problem, the 22/45 once again works just fine.

Second ...... Earlier this week I had written an email to Ruger asking them to please send me a replacement for only the broken piece, that I'm enough of a mechanical engineer to install it. I heard back from them yesterday: Nope, they won't sent me the part, they prefer to do the fixit themselves. SO, this morning I packaged the two pieces and mailed them to Ruger in Prescott.
 
Joined
Dec 11, 2002
Messages
7,809
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Ohio , U.S.A.
that section of the piece is the "weakest" portion of the pin, and pinned into the lower section and has NO where to go when the gun is fired, bolt comes back and hits the pin,,,that pin does a few different purposes in the overall concept of the Mark (RST ) guns...we've seen them break since the beginning ,early 1950s...I still have a few laying around here, judst bought a few to use as replacements, you're fortunate they were willing to send you one,,,,good for the Factory.......... 8) :roll: :wink:
 

NikA

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Yrisarri, NM- high in the Manzanos
Sure, it's the weakest part of the pin, but installed on a properly fitted gun it seems like the rest of the pin is supported on both ends of the thickest cross section and that area wouldn't see any stress during the firing cycle. Maybe that's why Ruger wants to see the pieces back at the factory for replacement?
 

Highstandardguy

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May 16, 2008
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1,068
Location
NC
I've never seen a broken one personally, but I've seen them for sale on eBay. Apparently you're not the first.
 

45blackhawk

Bearcat
Joined
Dec 25, 2012
Messages
67
Location
SoCal
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UPDATE 14 FEB 2022

In my 05 FEB post up above, I mentioned that I had mailed the two Mainspring Assembly pieces to Ruger in Prescott.

In this morning's mail delivery: Ruger completed the repair and I received the Assembly !! I of course immediately assembled it into my 22/45 and everything is again like new !!

WOW !!! Once again, Ruger's Customer Service is fantastic !!



Moderator edit https://www.rugerforum.com/phpBB3/viewtopic.php?t=298357 :D
 

hpman66

Hunter
Joined
Mar 27, 2003
Messages
2,089
45blackhawk said:
UPDATE

Some amazing luck !!

First ....... A pal of mine here in town actually had a spare 22/45 Mainspring Assembly in his parts bin

After all your amazing luck, is your pal going to get his spare 22/45 Mainspring Assembly back for his parts bin? :wink: :mrgreen:
 

45blackhawk

Bearcat
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Dec 25, 2012
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Location
SoCal
Yes Indeed !! With much ceremony I presented to my pal his spare Mainspring Assembly so that he could toss it back into his parts bin !!
 

hpman66

Hunter
Joined
Mar 27, 2003
Messages
2,089
45blackhawk said:
Yes Indeed !! With much ceremony I presented to my pal his spare Mainspring Assembly so that he could toss it back into his parts bin !!

+1 Good for you!
 

45blackhawk

Bearcat
Joined
Dec 25, 2012
Messages
67
Location
SoCal
We both had a good laugh because he said, "I had no idea I even had the Assembly, so imagine my surprise when I found it, then gave it to you. And now, it won't take me long to again forget it is back in the parts bin."
 

EVILDOCTOR235

Single-Sixer
Joined
Mar 24, 2001
Messages
171
Location
Vancouver,Wash,Planet Earth.
Both Brownell's, Midway and Numrich Arms have lots of replacement parts for Ruger Mark pistols as does eBay. I have been buying replacement parts for years. About 15 years ago I bought a bunch of brand new take off barrels from Volquartsen. I recently bought the receiver / frame holding tool from Brownell's so I can swap barrels if needed. Years ago I bought the tool for setting the rivet that holds the ejector in the frame. I have done the same thing for all my models of Ruger's.

EvilDr235.
 

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