DA Revolvers, Trigger Weight, and Safety Lever

Not exactly.

If you put in a spring that's too light, the gun will immediately be rendered unreliable. Presumably, you'd discover this at the range and fix the problem. And the problem's fixed.

But a screw that's not screwed all the way down might be reliable for a while, then suddenly and unpredictably become non-functional. And Murphy tells us it won't be at a convenient time.
 
That I agree. That's why I don't do any of that on duty or self defense guns. No backing out of the screw, nor light spring. Range toys only.

If that's the premise, I really don't see too much an issue backing out the screw a bit. As I mentioned previously, I can put a thin piece of metal behind the spring, in the saddle, then cinch down the screw. Then the screw won't back out as easy.

-TL
 
Sure, if it's a range gun and you don't mind the hassle of and fixing an occasional "click", go for it, IMO. It'd be shame to mess up group that's shaping up to be really tight by having to stop and fix the gun, though. ;)

Also, in many cases, you'd have to remove the grips to access the screw. Just another thing to make it a hassle worth avoiding.

And if the screw falls out entirely and is lost, you're hosed, particularly if it's from a square butt gun. Those screws are quite hard to find.

Technically, my match revolvers are "range toys only", but a preventable misfire is well worth avoiding, as it'll cost dearly in a match.
 
People have been backing out and grinding off strain screws for donkey's years. Even top revolver shooter Jerry Miculek does. He says that if you use his spring set with strain screw adjusted to a 7.5 lb DA, it will fire HIS ammo.

I sure wouldn't do it on a service weapon, but on a target revolver, you bet.

Ron Power used to sell a two screw set, drill and tap the frame for a set screw to hold the strain screw at the desired position.

Teddy Jacobsen sold a strain screw with the tip ground to a pyramid. The idea was for the end to enter the groove in a Wolff Power Rib mainspring and have a click-stop detent effect to keep it from walking out.

Apropo which, I wish there were a limber spring without the rib. That design feature does not work well with older Smiths.
 
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