Sig P220 recoil spring

[drakeslayer]

Any idea on what pound spring I should buy to replace my factory spring?
Should I go buy a Wolff or an OEM?
I've been struggling with accuracy with this gun for about a year so thought Id try a new spring.
Im at a loss as to why my accuracy isnt consistent as gun seems fine and the barrel looks good.

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[hongkong2]

Have some one else shoot it to see if they get the same results and I would buy the Wolff spring calibration pak https://www.gunsprings.com/SIG-SAUER+(SIGARMS)/P220/cID1/mID4/dID6#285

 

[drakeslayer]

Have some one else shoot it to see if they get the same results and I would buy the Wolff spring calibration pak https://www.gunsprings.com/SIG-SAUER+(SIGARMS)/P220/cID1/mID4/dID6#285

Good idea on someone else trying it.
Thank you