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S&W Revolvers: 1980 to the Present All NON-PINNED Barrels, the L-Frames, and the New Era Revolvers


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Old 06-29-2020, 02:27 PM
clawgrass1 clawgrass1 is offline
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Default Need help learning Correct rear Sight Blade measurement

I want to replace my damaged rear sight blade.....Can anyone tell me what is the correct rear sight blade height measurement for a 1994 S&W Performance Center, M66-4, F Comp, .357 Cal., 3 inch barrel revolver is?
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Old 06-30-2020, 01:38 PM
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Pizza Bob Pizza Bob is offline
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Need help learning Correct rear Sight Blade measurement Need help learning Correct rear Sight Blade measurement Need help learning Correct rear Sight Blade measurement Need help learning Correct rear Sight Blade measurement Need help learning Correct rear Sight Blade measurement  
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IIRC while that barrel is 3" the last .5" is port with the sight mounted behind that - effectively giving it the same sight radius as a 2.5" Model 66. That gun calls for a .146" height sight blade. Buy the kit (includes the windage screw) since you have to break the windage screw to remove the old blade.

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Pizza Bob
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Old 07-02-2020, 06:18 AM
clawgrass1 clawgrass1 is offline
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Default Thank you Pizza Bob!

Thanks for the help my friend, not too many folks know much about this S&W PC M66-4 F Comp I just purchased.....glad to know your out there! MJ
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