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S&W Revolvers: 1961 to 1980 3-Screw PINNED Barrel SWING-OUT Cylinder Hand Ejectors


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Old 05-14-2020, 07:51 PM
wv109323 wv109323 is offline
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Default SAO springs

I just acquired a model 14-2 that is a SAO. I don't know if factory but I suspect it is. Condition is great and maybe unfired.
My question is with the modified geometry of the sao what is the poundage of the recoil?
I know the sao conversion came with a rebound spring in the kit. How did it differ from the standard DA SPRING?
I would like to lighten my trigger pull by about 1/2 lb.
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Old 05-14-2020, 10:01 PM
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The part number for the SAO spring is 5387. When I went through the armorers school I was advised to use that spring to lessen trigger pull.
If you gun is a factory SAO then I would guess that spring is already in the gun.
Be careful putting in to light a trigger return spring as iy has to balance with the main spring to get reliable trigger reset.
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Old 05-15-2020, 12:10 AM
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Thanks,the da uses an 18 lb.spring so the sao is probably less than that since the p/n 5387 is used to lower da pistols. I am at 3 1/2 lbs and would like it around 3.
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Old 05-15-2020, 10:07 AM
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If you remove the side plate, it will be obvious if it is built as a SAO, the hammer will not have provision for a DA sear.
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Old 05-16-2020, 05:32 AM
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The hammer does not have the provision for double action.
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