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Old 05-07-2018, 11:09 AM
leinster lad leinster lad is offline
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Yes, if the slide is dragging intermittently for some reason, then lightening the spring is not going to your answer.
It may mask the issue sometimes though.

You really need to figure out if and why the slide is dragging.

There are only a few places to look.

Slide / frame rails.
Slide cocking the hammer
Slide sliding over the top of the magazine.
Recoil spring guide rod.
Slide pushing the trigger bar down (sear disconnect)

You mentioned intermittent, once the slide is free, it is fine for the rest of the mag ?
Does the problem reoccur if a new full mag is inserted ?
If yes, and the problem reoccurs in the same manner, then it would appear to be the slide/bolt being slowed down by the friction of sliding over the top round in the mag.

What happens if you only load 5 or 6 rounds in each mag ?
Do you get any FTE ?

There will always be friction at that point, and that friction will be variable depending upon the number of rounds in the magazine / compression of the magazine spring.

This may or may not be the problem as there could be some restriction caused by something else, that when added to the bolt friction, tips the balance to a point of failure.

And yet with all of that, there may not even be a physical issue with the gun.......... you may just been unlucky enough to get a weak batch of SV ammo.
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