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Revolver timing issues, maybe

This is a discussion on Revolver timing issues, maybe within the Maintenance forums, part of the Firearm Forum category; I recently purchased this revolver, S&W Model 60-14, 357 mag, and when shooting I experience a small amount of debris hitting my face. Is this ...


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Old December 29th, 2016, 11:34 AM   #1
 
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Revolver timing issues, maybe

I recently purchased this revolver, S&W Model 60-14, 357 mag, and when shooting I experience a small amount of debris hitting my face.
Is this a timing issue?
How do I check the timing?
There is no end shake and the cylinder gap looks good (as small or smaller than my other revolvers, I don't own a feeler gauge).
The cylinder locks up tight in every position before the hammer falls.
There is no sign of flame cutting on the forcing cone.
Would it help to chamfer the forcing cone?


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Old December 29th, 2016, 01:26 PM   #2
 
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There is a tool called a range rod. They come in caliber sizes to fit virtually all revolvers. They are used to verify barrel bore to cylinder chamber alignment. If a gunsmith in your area cannot do it, you can order range rods online. A gunsmith can also measure your revolver's flash gap and endshake specs. It is normal for some particles to be emitted from the flash gap, along with the powder gasses. A cleaning-up reaming of your gun's forcing cone might help a bit.

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Old December 29th, 2016, 01:45 PM   #3
 
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I suspect your revolver is fine. A little bit of debris escaping from the barrel cylinder gap isn't a big deal. Revolvers that are grossly out of time will shave lead but that doesn't sound like your issue.

If you insert 5 EMPTY - EMPTY casings into the cylinder and slowly pull the trigger, you should see the following:
The cylinder bolt should begin to withdraw from the locking notch on the lower side of the cylinder, the cylinder should begin to rotate as the cylinder bolt completely clears the locking notch, the cylinder should continue to rotate and the cylinder bolt should pop back up, the cylinder bolt should engage the next cylinder notch and the cylinder should stop turning. At this point the hammer should still be retracting and after the cylinder bolt has engaged the locking notch the hammer should continue to the rear just slightly more before it falls.
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Old December 31st, 2016, 02:46 AM   #4
 
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Thanks for all the great advice!

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