Manurhin MR73 not rotating cylinder at slow speed cocking
- Thread starter raubvogel
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Got the parts. Am having a bit of a crash course in the mechanics of the MR-73 as it seems the standard US gunsmith procedure to deal with those revolvers is to graft S&W/Ruger parts in it; every so often you will find pictures of those revolvers on gunbroker with a S&W cylinder on them. Probably the same ones that replaced one of the front sight screws in my Arminius with a 6x48 one. After all, if it is good enough for a Ruger, it must be an improvement from whatever those Germans used, right? 
If you can see the sarcasm and anger oozing off my comments on this thread, let's just say after the 4th patronizing gunsmith, I decided I am doing it on my own. I mean, if I screw up the hand I can get another one. If I get it right, I can document it for the next person.
If you can see the sarcasm and anger oozing off my comments on this thread, let's just say after the 4th patronizing gunsmith, I decided I am doing it on my own. I mean, if I screw up the hand I can get another one. If I get it right, I can document it for the next person.
Thermactor
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Hey, any updates? Fascinating thread.
Very educational thread. If you're from USA don't buy modern revolvers made in Europe. S&W, Colt and Ruger are far superior to anything they have to offer. The MR73 hasn't been made in years, therefore before long parts will be made of unobtainium so unless you want expensive paperweight buy revolver made in the USA.
Normally, foreign makers have a designated U.S. importer who will carry parts and have a repair facility so that a gun does not have to be returned to the overseas maker. But I cannot find any current Manurhin importer, so the U.S. owner is out of luck for support unless he is willing to go through a lot of paperwork and trouble to return the gun to the factory.
The first post indicated that the cylinder was not turning at all. Later posts indicate that it might not be carrying up completely when rotated slowly or with interference. The latter is a common problem for many revolvers right out of the factory boxes. If the cylinder carries up in normal operation and firing pin strikes are centered, I would not worry about it.
Jim
The first post indicated that the cylinder was not turning at all. Later posts indicate that it might not be carrying up completely when rotated slowly or with interference. The latter is a common problem for many revolvers right out of the factory boxes. If the cylinder carries up in normal operation and firing pin strikes are centered, I would not worry about it.
Jim
Thermactor
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What?
A Manurhin MR73 is not a shooting gun. It's an investment IMO. Particularly the ones in good shape.
If I wanted a revolver to go beat up all day and get fixed reasonably then yes your point is spot on, buy local. In fact, I made your exact same argument against the new imported pistols from Zastava and Canik. No factory service here, no parts, you have to deal with the importer and good luck at that. And no Zastava 999 or Canik TP9SA will ever be considered as a treasure.
The Manurhin is a treasure.
and I want one so badly!
barnbwt
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I'm pretty sure Manurhin is out of business at this point.
"What?
A Manurhin MR73 is not a shooting gun. It's an investment IMO. Particularly the ones in good shape."
I'm sorry, but that's the dumbest thing I've heard today. These are exceptionally good shooting guns, thoroughly durable enough for many tens of thousands of rounds. Unless the goal is a safe queen (in which case, it needs to be mint in box to start with) you won't damage the value significantly by shooting it, even frequently, with full power loads. A prolific blogger of rare handguns, Lifesizepotato, chooses to shoot his 'mint' MR73 Target since it is so pleasurable, and the man is clearly not someone who does not know how to appreciate a quality item. Shooting them is not abuse.
My MR73 police trade in is an absolute beater (worst condition revolver I own that shoots smokeless) with a trigger of gold. The Zastava guns couldn't hold a candle, nor can the S&W Performance Center, apparently (my next 'worst' condition revolver is a TRR8 with very minor wear, and both its double and single action triggers fail to the MR73. Only my Mateba has a nicer single action trigger)
For an 'investment,' a shooter grade MR73 trade-in is pretty small potatos, at well under $1000. Unless you buy by the bushel (where, please?
), you won't ever make a significant profit on one. And hey, if prices do explode like Matebas after thirty years for no reason, even a parts gun will retain at least what you paid for it, since everyone else who wants to shoot these awesome guns will want to fix or repair their own blasters. Case in point, $2000 parts-gun Matebas (as opposed to $3000 complete Matebas)
Anyhow, I'd love to hear how the OP's hand spring repair went (as that is almost assuredly the problem). If the parts were received and worked, I will have to do this as well, since certain-weight ammo causes my gun to shimmy in such a way under recoil that the hand skips over a cylinder or binds (140gr Hornady LeveRevolution ammo only, for some weird reason, and consistently, too)
TCB
"What?
A Manurhin MR73 is not a shooting gun. It's an investment IMO. Particularly the ones in good shape."
I'm sorry, but that's the dumbest thing I've heard today. These are exceptionally good shooting guns, thoroughly durable enough for many tens of thousands of rounds. Unless the goal is a safe queen (in which case, it needs to be mint in box to start with) you won't damage the value significantly by shooting it, even frequently, with full power loads. A prolific blogger of rare handguns, Lifesizepotato, chooses to shoot his 'mint' MR73 Target since it is so pleasurable, and the man is clearly not someone who does not know how to appreciate a quality item. Shooting them is not abuse.
My MR73 police trade in is an absolute beater (worst condition revolver I own that shoots smokeless) with a trigger of gold. The Zastava guns couldn't hold a candle, nor can the S&W Performance Center, apparently (my next 'worst' condition revolver is a TRR8 with very minor wear, and both its double and single action triggers fail to the MR73. Only my Mateba has a nicer single action trigger)
For an 'investment,' a shooter grade MR73 trade-in is pretty small potatos, at well under $1000. Unless you buy by the bushel (where, please?
), you won't ever make a significant profit on one. And hey, if prices do explode like Matebas after thirty years for no reason, even a parts gun will retain at least what you paid for it, since everyone else who wants to shoot these awesome guns will want to fix or repair their own blasters. Case in point, $2000 parts-gun Matebas (as opposed to $3000 complete Matebas)Anyhow, I'd love to hear how the OP's hand spring repair went (as that is almost assuredly the problem). If the parts were received and worked, I will have to do this as well, since certain-weight ammo causes my gun to shimmy in such a way under recoil that the hand skips over a cylinder or binds (140gr Hornady LeveRevolution ammo only, for some weird reason, and consistently, too)
TCB
Thermactor
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barnbwt, I must clarify my position. What I meant is that a Manurhin, in my opinion, as an exceptionally rare gun in the United States, should be preserved and not subjected to the same rigors as an easily replaced current mass production gun.
I'm bowing out of the discussion here. My last words of the topic are, I want a Manurhin, and i'd like to know if the original thread poster got his nest egg gunp) sorted out.
I'm bowing out of the discussion here. My last words of the topic are, I want a Manurhin, and i'd like to know if the original thread poster got his nest egg gun
p) sorted out.Ash
Member
Out perform? Performance comes in many packages. It might be more accurate, probably smoother and better finished. Does that make it actually perform better? Seems the OP's revolver wasn't performing as well as it should. Side-by-side, how might it perform compared with a Ruger GP100 after 5,000 rounds?
barnbwt
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"First off, they're still being made."
Source? I thought the company went broke in the 90's. Cool if true.
"Side-by-side, how might it perform compared with a Ruger GP100 after 5,000 rounds?"
Probably both would be functional after that many rounds. The MR73s were required to meet some crazy specs, however, and the ones the OP and I have likely saw tens of thousands of rounds in service. The gun is at least as tough as a Ruger, but (when new) as finely finshed as a Colt or possibly Korth. Even my beater outshines my other quality revolvers, with the one nit to the design being this hand spring issue that sometimes needs attention. Only revolver I've had where I prefer to shoot double action because it is so smooth that the additional trigger weight doesn't affect me. The single action is far too nice for a service gun, feeling more like a zero-stage bolt rifle trigger than any handgun I've shot.
When the French cheaped out for later revolvers, they basically licensed the Single Six, interestingly enough. Nowhere near as nice, but still quality guns.
TCB
Source? I thought the company went broke in the 90's.
Cool if true."Side-by-side, how might it perform compared with a Ruger GP100 after 5,000 rounds?"
Probably both would be functional after that many rounds. The MR73s were required to meet some crazy specs, however, and the ones the OP and I have likely saw tens of thousands of rounds in service. The gun is at least as tough as a Ruger, but (when new) as finely finshed as a Colt or possibly Korth. Even my beater outshines my other quality revolvers, with the one nit to the design being this hand spring issue that sometimes needs attention. Only revolver I've had where I prefer to shoot double action because it is so smooth that the additional trigger weight doesn't affect me. The single action is far too nice for a service gun, feeling more like a zero-stage bolt rifle trigger than any handgun I've shot.
When the French cheaped out for later revolvers, they basically licensed the Single Six, interestingly enough. Nowhere near as nice, but still quality guns.
TCB
Ash
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The company went out of business and the revolvers are being made by another outfit. Whether they are just as good, I cannot say. But the same company makes a Ruger clone, too.
Ruger provided parts to Manurhin for a couple revolvers, actualy. The MR 73 was always their flagship and contained no Ruger parts whatsoever.
Yes, I do believe the gun is considerably stronger than a GP100 through the cylinder and barrel. Refinement and quality are two different worlds.
I personally think the MR 73 is the best DA revolver in the world. Its not as refined as my Korth, but its at least as strong and just has more character all around.
Richard Head
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I'll take it off your hands if you don't want it anymore
Ash
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The MR88 is their Ruger clone and is not made with Ruger-provided parts.
Here it is:
http://chapuis-armes.com/manurhin/65-32-match.html
As to strength, you have no evidence that the M73 is in any way more durable nor sturdy. It's a S&W clone, which means the design is solid and dependable. But it in now way means it is more durable than said Ruger.
Here it is:
http://chapuis-armes.com/manurhin/65-32-match.html
As to strength, you have no evidence that the M73 is in any way more durable nor sturdy. It's a S&W clone, which means the design is solid and dependable. But it in now way means it is more durable than said Ruger.
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Interesting theory.
It uses some of the S&W design, but it's far from a clone. If you think the MR is built like a S&W, I suggest you do some much needed research. The steel itself and the manufacturing processes are much, much different. The barrel and cylinder are extremely dense. Besides that, the MR's trigger is fully adjustable.
I'd be VERY surprised if a GP100 could withstand the amount of extreme high pressure rounds the MR73 was put through during its testing and production. I have no doubt the Ruger's frame is up to it. Its the barrel and cylinder I'm speaking of. Besides that, I don't think many people in the hunt for a fine commercial MR are going to be considering a clunky Ruger as an alternative. I have plenty of Rugers, including a GP. You're comparing apples and oranges.
Do you even own an MR?
It uses some of the S&W design, but it's far from a clone. If you think the MR is built like a S&W, I suggest you do some much needed research. The steel itself and the manufacturing processes are much, much different. The barrel and cylinder are extremely dense. Besides that, the MR's trigger is fully adjustable.
I'd be VERY surprised if a GP100 could withstand the amount of extreme high pressure rounds the MR73 was put through during its testing and production. I have no doubt the Ruger's frame is up to it. Its the barrel and cylinder I'm speaking of. Besides that, I don't think many people in the hunt for a fine commercial MR are going to be considering a clunky Ruger as an alternative. I have plenty of Rugers, including a GP. You're comparing apples and oranges.
Do you even own an MR?
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Ash
Member
What I typed originally was:
"Out perform? Performance comes in many packages. It might be more accurate, probably smoother and better finished. Does that make it actually perform better? Seems the OP's revolver wasn't performing as well as it should. Side-by-side, how might it perform compared with a Ruger GP100 after 5,000 rounds?"
Evidently the MR on this geriatric post does not function well, does it? As to clone, you mention trigger. I suggest you do research if you think a trigger has anything to do with strength of a revolver. As to steels, I did not state anywhere that they used the same steel.
I have no theory, just observations that have as yet not been established or even considered. As I asked, "...how might it perform compared with a Ruger GP100...?" Even your theory - and that is all it is - is based on nothing other than brand loyalty. There is no head-to-head comparison that I have encountered.
A Jeep Cherokee might not have the panache of a Porche Cayenne - the fit and finish so to speak, but performance off road might make all the difference.
"Out perform? Performance comes in many packages. It might be more accurate, probably smoother and better finished. Does that make it actually perform better? Seems the OP's revolver wasn't performing as well as it should. Side-by-side, how might it perform compared with a Ruger GP100 after 5,000 rounds?"
Evidently the MR on this geriatric post does not function well, does it? As to clone, you mention trigger. I suggest you do research if you think a trigger has anything to do with strength of a revolver. As to steels, I did not state anywhere that they used the same steel.
I have no theory, just observations that have as yet not been established or even considered. As I asked, "...how might it perform compared with a Ruger GP100...?" Even your theory - and that is all it is - is based on nothing other than brand loyalty. There is no head-to-head comparison that I have encountered.
A Jeep Cherokee might not have the panache of a Porche Cayenne - the fit and finish so to speak, but performance off road might make all the difference.
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