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  #1  
Old 02-17-2020, 01:57 PM
straightcut straightcut is online now
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Stainless Steel Arched Serrated Mainspring Housing Source

I have a stainless steel Mark IV Series 80 from the mid 1980's that's had the original arched, serrated mainspring housing replaced with a flat mainspring housing. I'm looking for a quality replacement part, but having trouble finding someone selling them. I've patiently watched eBay for several months with no luck. I don't want to use one of the grey composite Colt parts.

Any advice on suppliers of these would be greatly appreciated!
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Old 02-17-2020, 02:15 PM
Longone Longone is online now
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sorry, I thought Smith & Alexander had one but it looks like smooth arched in stainless. Don’t know if a machinist could cut the grooves in one or not.
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Last edited by Longone; 02-17-2020 at 02:17 PM.
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Old 02-17-2020, 03:39 PM
dfariswheel dfariswheel is offline
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Gun Parts has what they list as genuine Colt arched serrated housings.
Expensive but if genuine Colt.......

https://www.gunpartscorp.com/products/398190

Ed Brown makes one. Select blued or stainless....

https://www.midwayusa.com/product/1485110121
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Old 02-17-2020, 04:15 PM
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RickB RickB is online now
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I have an Ed Brown on my 1991 (bought ~15 years ago).
It is just the tiniest bit longer than the frame.
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Old 02-17-2020, 06:35 PM
jtq jtq is offline
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Quote:
Originally Posted by RickB View Post
I have an Ed Brown ...
Yes, Ed Brown is one I'm aware of https://www.edbrown.com/product/gove...ring-housings/
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  #6  
Old 02-18-2020, 07:48 AM
Colt191145 Colt191145 is offline
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I fitted the Ed Brown arched in my Colt Commander. Nothing too serious, I polished it also. It is a quality part, but like any good quality 1911 part it will need fitting.
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Old 02-18-2020, 02:31 PM
straightcut straightcut is online now
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Thank you all for your comments, suggestions, links, etc.!

Over the months I've been looking, this eBay listing would come up with a very reasonably priced aftermarket mainspring housing:
https://www.ebay.com/itm/1911-ARCHED...sAAOxyYYlRwLmn It lists the manufacturer as John Masen Co. and I did look at JM Co.'s website. I've just been leary of a poor quality part. Has anyone had experience with parts from John Masen Co.?

I'm inclined to try the Ed Brown mainspring housing.

Thanks again for your excellent information!
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  #8  
Old 02-18-2020, 05:16 PM
straightcut straightcut is online now
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An additional reason for interest in a stainless steel, arched, serrated mainspring housing would be to replace the grey composite MSH should I spring for a stainless Colt Classic.

Your comments are most appreciated!
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  #9  
Old 02-18-2020, 06:21 PM
dfariswheel dfariswheel is offline
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John Masen parts are notorious for poor quality.
They make their parts from castings, usually substandard.

You see a lot of porous casting, and areas that didn't fill out properly.
Their parts are always out of spec in some areas and if you use them you have to do work to clean them up so they fit and look at least decent.

Best advice..... buy a good housing, either the Colt or the Ed Brown.
Buy once, cry once.
Buy a Masen and you'll cry often every time you look at it.
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  #10  
Old 02-18-2020, 07:34 PM
straightcut straightcut is online now
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Duly noted, dfariswheel! I suspected as much. When I looked at the Masen website, it did not "exude" quality... I hate wasting money on junk.
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