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AR15.COM
12/9/2010 3:31:35 PM EDT
are these made without mim parts today?
12/9/2010 4:22:22 PM EDT
[#1]
I think Ruger is the king of MIM . They work so who cares .
12/9/2010 4:36:13 PM EDT
[#2]
Quoted:
I think Ruger is the king of MIM . They work so who cares .


I might.
12/9/2010 4:46:16 PM EDT
[#3]
Quoted:
Quoted:
I think Ruger is the king of MIM . They work so who cares .


I might.


Ruger sets the bar for metal injection molding for all other manufacturers. They make frames and parts for many other firearms manufacturers.
Where you get screwed up with MIM parts are the ones that S&W may have had made in India or some other off shore country.
Whoever was the cheapest bidder and they may be crap.
But Ruger makes their own parts and they are the best MIM parts made.
I prefer the older S&W revolvers but I would buy a new Ruger before I would a new S&W revolver.
12/9/2010 4:59:22 PM EDT
[#4]
Quoted:
Quoted:
Quoted:
I think Ruger is the king of MIM . They work so who cares .


I might.


Ruger sets the bar for metal injection molding for all other manufacturers. They make frames and parts for many other firearms manufacturers.
Where you get screwed up with MIM parts are the ones that S&W may have had made in India or some other off shore country.
Whoever was the cheapest bidder and they may be crap.
But Ruger makes their own parts and they are the best MIM parts made.
I prefer the older S&W revolvers but I would buy a new Ruger before I would a new S&W revolver.


Thank You for the insight. The SP101 looks like a good secondary.
12/10/2010 7:46:13 AM EDT
[#5]
Quoted:
Quoted:
Quoted:
Quoted:
I think Ruger is the king of MIM . They work so who cares .


I might.


Ruger sets the bar for metal injection molding for all other manufacturers. They make frames and parts for many other firearms manufacturers.
Where you get screwed up with MIM parts are the ones that S&W may have had made in India or some other off shore country.
Whoever was the cheapest bidder and they may be crap.
But Ruger makes their own parts and they are the best MIM parts made.
I prefer the older S&W revolvers but I would buy a new Ruger before I would a new S&W revolver.


Thank You for the insight. The SP101 looks like a good secondary.


I owned one before going with a GP100 and can say it was pleasant to have owned and was a quality revolver.
12/10/2010 11:39:06 AM EDT
[#6]
Ruger doesn't use that much MIM.
Ruger is the king of lost wax CASTING, not Metal Injection Molding.

Most Ruger parts are made by the lost wax casting method, which is stronger weight for weight then MIM.
Just what IF ANY SP-101 parts are actual MIM, I don't know.
Last time I was inside an SP-101 it was all cast steel. That was about 10 years ago.

Just to refresh, MIM is made by mixing powdered metal with a plasticizer and injected in to a mold.  The mold is heated and the plasticizer evaporates and the metal fuses into a solid mass, then shrinks slightly.  The mold is opened and a near-finished part is removed.

Ruger was a pioneer of the lost wax process.
In this process, an exact copy of the part is made from a hard wax.  The wax model is covered with a ceramic "investment" and fired in a furnace.  The wax runs out and molten metal is forced into the ceramic mold.
The ceramic mold is broken away and a near-finished part is removed.
Using the lost wax process, high strength parts like receivers and slides can be made.
You cannot make slides and frames or many other higher strength parts with the MIM process.
12/10/2010 11:39:45 AM EDT
[#7]
I just bought one about a month ago. I put the 9lb Wolf main spring in it and I love it. It is built like a tank and fairly comfortable to shoot.
12/10/2010 12:13:29 PM EDT
[#8]
Quoted:
Ruger doesn't use that much MIM.
Ruger is the king of lost wax CASTING, not Metal Injection Molding.

Most Ruger parts are made by the lost wax casting method, which is stronger weight for weight then MIM.
Just what IF ANY SP-101 parts are actual MIM, I don't know.
Last time I was inside an SP-101 it was all cast steel. That was about 10 years ago.

Just to refresh, MIM is made by mixing powdered metal with a plasticizer and injected in to a mold.  The mold is heated and the plasticizer evaporates and the metal fuses into a solid mass, then shrinks slightly.  The mold is opened and a near-finished part is removed.

Ruger was a pioneer of the lost wax process.
In this process, an exact copy of the part is made from a hard wax.  The wax model is covered with a ceramic "investment" and fired in a furnace.  The wax runs out and molten metal is forced into the ceramic mold.
The ceramic mold is broken away and a near-finished part is removed.
Using the lost wax process, high strength parts like receivers and slides can be made.
You cannot make slides and frames or many other higher strength parts with the MIM process.


I'll bow to dfariswheel's expertise. He's absolutely right and I was wrong.
But Ruger does make very good cast parts, absolutely the best you can get from what I've seen and been told over the years.
12/10/2010 12:58:21 PM EDT
[#9]
its my understanding that after making the castings, ruger then heat-treats and slowly cools the frames to change the metal atomic structure to harden it.

i assume that the cylinder and barrel are the usual forged material?
12/11/2010 4:41:46 AM EDT
[#10]
Went out looking yesterday and ended up with a 642 deluxe. For pocket carry purposes, the lighter Smith made more sense.

I'm sure the Ruger is a fine gun. I just didn't want to feel like i had a tank in my pocket. I also was  not interested in shooting 357 out of a snubby.

349.00 after the S&W revolver rebate. It has laminated, checkered wood stocks that are long so you get a place for your pinky. Looks nice and feels good.

Now to do some shooting.

Thanks
41
12/11/2010 5:02:38 AM EDT
[#11]
You did good. I carry a 442 in my pocket all the time. The 15.5 oz of the J frame is a bit easier on your pocket than the much heavier Ruger.
But if you need a compact 357 Magnum, keep the Ruger in mind. It's probably the best one out there.