P6/225 Wolff Recoil Spring

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Kjay

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I have a Sig P6 with a Wolff "reduced power" recoil spring installed. Is this safe to shoot with standard pressure factory loads? If not, what factory reduced-power ammo is available? Thanks!
 
Just out of curiousity, did you buy your P6 with this spring already installed?

I would say it's "safe" to fire standard pressure factory loads from a P6 with such a spring but not advised as your P6 wasn't designed for that spring resistance. It will increase wear.
 
The P6 came to me with both the Wolff spring and the original braided factory spring. I've changed it out for the factory orignal but have failures of the slide to lock back after the last round is fired even with new mags.
 
Sounds like you already found some "reduced power" 9mm ammo!

Seriously, my P6 has been 101% with everything I have shot in it.

Does it fail to lock open with all brands of ammo, or only the one brand you are using?

rc
 
Had failures with both Blazer aluminum cased and Wichester "white box." I also have a P225 and P220 that eat everything with no malfunctions. The P6 doesn't have any misfeeds just the slide lock after last round issue.
 
Normal load vs higher presssured loads

he P6 came to me with both the Wolff spring and the original braided factory spring. I've changed it out for the factory orignal but have failures of the slide to lock back after the last round is fired even with new mags.
...

Perhaps this is why it came with the Wolff spring and the factory original, as my guess is that the factory spring is just a tad too stiff, possibly being why the slide does lock..

You should be able to "feel" the slide banging on the slide stop IF the lighter Wolff spring, using standard 115 or 124gr FMJ (or JHP if they feed) as opposed to a clean, felt, recoil, not being abruptly harsh, per shot.

That was the clue with my Sig P229 9mm, that, at the 4850 fired rounds mark, as the normally smooth, soft recoil, began to have a different feel, as though the gun was pushing +P or +P+ ammo, which it was not.. Changed out the old spring with a new one and the_feeling, harsh impact of slide action ceased..

Keep an ongoing round count, including a rough, already-fired-rounds, and keep in mind that return springs generally need replacing between every 4000 - 5000 rounds from new to old-weak, wearing out.

Luck,


Ls

Ps.. I'm not sure of the Nato 9mm FMJ load, but, IIRC, it was more than our standard 115 or 124gr loads, and being a Euro LEO gun, it may be that the orignal return spring was one designed to work with higher load 9mm type that NATO sanctions..
 
Have you cleaned the internal parts of your P6? Mine had residue from being fired when I received it so I removed the grips and flushed everything with brake cleaner. Once it dried, I used a small amount of grease on the hammer/sear contact points and on the slide rails and the barrel/block contact surfaces. I used 3-in-1 oil for other working surfaces. I use a syringe with a long needle to apply the oil in tight spots.

My handloads using 124 & 125 grain cast bullets over 5.0 grains of Unique have been very reliable and I only have the factory recoil spring.
 
Failure to lock open can also be caused by a weak magazine spring or broken slide stop "finger" that the follower hits to make it work.

Take the slide off and put an empty magazine in it and look carefully to see if everything is there and has enough spring force to lift the slide stop.

rc
 
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