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is Forcing cone erosion inevitable?

This is a discussion on is Forcing cone erosion inevitable? within the Pistols & Revolvers forums, part of the Pistol & Revolver Forum category; I bought a Smith and Wesson 69 back in march last year. After my first range session of 70 rounds I found out there was ...


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Old January 20th, 2017, 08:17 AM   #1
 
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Question is Forcing cone erosion inevitable?

I bought a Smith and Wesson 69 back in march last year. After my first range session of 70 rounds I found out there was a bulge ring. I had no squib loads and it was with factory ammo. I sent back to Smith and Wesson and they replaced the barrel. They used the term "damaged rifling" in description. Recently I've been firing it since and after 250 rounds of standard pressure .44 Magnum ammo (Magtech/Winchester/Federal etc) I noticed there was some slight force cone erosion. I have an eye for this stuff and I can only see it with a flash light pointed at it. You cant see it under normal daylight but with a flashlight its there. It's only on the top part of the force cone. There is no flame cutting but some scratch marks I assume are from replacing the barrel. I sent it back to Smith and Wesson to see what they would say. I got it back on Wednesday and the letter they said in the letter "normal wear and tear". Do you guys think this is normal?


and I have more Rugers than Smiths btw.




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Old January 20th, 2017, 10:39 AM   #2
 
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Ok I am going to suggest what had been known about the S&W K framed .357's Yes they will handle .357's but not a steady diet of them shooting .38 Specials as well. So with a Model 69 L framed .44 Magnum I would tone it down to standard pressure .44 Magnums and also shoot some .44 Special's thru it. If you reload this will help you get the revolver that you want. Ok shoot the hot .44 Magnums once in awhile but resort to milder .44 Magnum or .44 Special's!!! Good Luck
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Old January 20th, 2017, 12:33 PM   #3
 
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Quote:
Originally Posted by Cherno Alpha1 View Post
is Forcing cone erosion inevitable?
If you shoot light grain projectiles at high velocities then Yes it's inevitable.
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Old January 22nd, 2017, 05:15 PM   #4
 
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It will happen. however, it will stop after a point. It only becomes a real problem with aluminum alloy frames and using over charged rounds like 357 maximum. Your gun is completely safe to fire and is only really worth less to a crazy person that just wants a gun to look pretty.

IF your revolver has serious serious erosion to the point that the gun is unsafe to fire, Smith, and certainly Ruger should and would replace the gun. However, unlike those alloy guns, your steel revolvers will not have that problem.
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Old January 22nd, 2017, 05:43 PM   #5
 
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As was mentioned, shooting lighter bullets aggravates this condition. I shot revolver silhouette for years with a 357 Super Mag and had no issues BUT I never shot bullets below 180 grains with a 200 SWCGC as my most common load. If you are shooting 240 grain or heavier bullets out of your 44 mag, I doubt you will ever have any serious problems.
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