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Thread: Stepped 357 chamber before the forcing cone. Fix?

  1. #21
    Boolit Master


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    Had a similar problem with my 60-15. One hole had a .015 constriction about .030 from the end of the cylinder. The other 4 holes were fine. That hole appeared to not be fully reamed. Sent it back to S&W and they fitted a new cylinder, no charge. That greatly improved accuracy as the constriction caused a consistent flyer. It now shoots better than I can hold.
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  2. #22
    Boolit Master

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    km101,

    Good to hear that they took care of you. I'm not sure why the chamber itself has a step. As far as I remember, the throats themselves are consistent.

  3. #23
    Boolit Master

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    Well it went back to S&W and came back worse than it was. Now it appears that the 0.004" step is still there, the funnel to the throat is not a smooth transition and now there is a 0.008" step in the throad itself the step goes from 0.375" to 0.359".

    The paperwork says that they replaced the cylinder and yoke. Where they got the cylinder I dont know, maybe the junk parts bin?

    I dont know how S&W could take it in, see that something needed to be fixed and put in a worse part than what was in the gun to start with.

  4. #24
    Boolit Master Thumbcocker's Avatar
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    IMHO S&W are a pale shadow of what they once were.
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  5. #25
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    Quote Originally Posted by BK7saum View Post
    Well it went back to S&W and came back worse than it was. Now it appears that the 0.004" step is still there, the funnel to the throat is not a smooth transition and now there is a 0.008" step in the throad itself the step goes from 0.375" to 0.359".

    The paperwork says that they replaced the cylinder and yoke. Where they got the cylinder I dont know, maybe the junk parts bin?

    I dont know how S&W could take it in, see that something needed to be fixed and put in a worse part than what was in the gun to start with.
    Sheesh unbelivable! I'd sure get somebody on the phone and send it back again!
    Got a .22 .30 .32 .357 .38 .40 .41 .44 .45 .480 or .500 S&W cylinder that needs throats honed? 9mm, 10mm/40S&W, 45 ACP pistol barrel that won't "plunk" your handloads? 480 Ruger or 475 Linebaugh cylinder that needs the "step" reamed to 6° 30min chamfer? Click here to send me a PM You can also find me on Facebook Click Here.

  6. #26
    Boolit Bub 500aquasteve's Avatar
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    You waited 8 weeks to have it made worse. An 0.016” change to 0.065”

    I had my $1700 3.5” revolver sent to SW to have repaired due to the cylinder smacking the top strap. It has been over 6 weeks now I am afraid of what I might have returned to me. It has less than 500 rounds and is a 500

  7. #27
    Boolit Master

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    This is before being "FIXED" by S&W
    Click image for larger version. 

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    This is after being FIXED
    Click image for larger version. 

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    Not sure how well the photos show up, they had to be reduced to get them uploaded.

  8. #28
    Boolit Grand Master


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    I can't quite see. Is that still a step?

  9. #29
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    Wow that certainly looks quite borked. I'd be all about somebody there, we'd be on a first name basis before it was done.

    I have a couple of 357 finishing reamers but by the looks of it they might only reach to the beginning of the step, but that's just guessing. You could send the cylinder and see but again, I'd be up somebody's butt at S&W to get this fixed. Again.
    Got a .22 .30 .32 .357 .38 .40 .41 .44 .45 .480 or .500 S&W cylinder that needs throats honed? 9mm, 10mm/40S&W, 45 ACP pistol barrel that won't "plunk" your handloads? 480 Ruger or 475 Linebaugh cylinder that needs the "step" reamed to 6° 30min chamfer? Click here to send me a PM You can also find me on Facebook Click Here.

  10. #30
    Boolit Master

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    Yessir. I could've sent it to you the first time and a finish reamer should have cleaned it up. But not now.

  11. #31
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    Hmm.. If you were to get a 38 SPL cylinder fitted to it, then send it and have it reamed to 357, at least it would get done nice and proper.
    Got a .22 .30 .32 .357 .38 .40 .41 .44 .45 .480 or .500 S&W cylinder that needs throats honed? 9mm, 10mm/40S&W, 45 ACP pistol barrel that won't "plunk" your handloads? 480 Ruger or 475 Linebaugh cylinder that needs the "step" reamed to 6° 30min chamfer? Click here to send me a PM You can also find me on Facebook Click Here.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check