What recoil spring

[Howa4au]

For a 5" 9mm shooting minor?

[leath4m]

Up to you really, we are all different. I'm using a 10. But there are plenty of others on here with more experience.

[jimbullet]

I've used 8 works great.

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[Mike21STI]

I settled on a 9# wolf spring when I was running factory 9mm

[oak hill]

Likewise, I use a 9lb spring. Try 8, 9 and 10 lb springs for yourself to see what you prefer

[blind bat]

10 or 11lb Wolf. The slide slowed too much when the round hit the feed ramp with ISMI 10lb or 9lb (ISMI tend to measure lighter than specified and Wolf). I didn't like the feel at all and reliability suffered.

[jimbullet]

Mine was sti spartan 9mm, 8 lb spring, PF was somewhere close 118ish and it worked like a charm. No hiccups.

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[Howa4au]

Thanks for the replies

[mwc5]

Same here. - 9mm Spartan with 8lb, factory 115 & 124 gr

[drewbeck]

Buy 7-13# and just try them, they will all feel different and shoot different. Your preference will also change as your shooting changes, and the load has a huge impact. If you bounce back and forth for a little while, one will stand out as feeling the best and shooting best because the sights return to an aligned state automatically when that happens buy a couple backups and keep shooting. I think trying them all is also good practice for really watching and paying attention to your sights. If you can tell how a spring actually impacts your sights, you are visually aware and paying attention to them

[al503]

With a very thin shock buff installed, I start heavy and go down until I see the buff just barely starting to getting hit by the slide. Then I choose between that and the previous spring based on feel.