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G20/357 sig Conversion Recoil Spring

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Hey forum, might have a shot at a LW G20/357sig bbl, for my Gen4 G20. You guys shooting this conversion, do you have to swap out Recoil Springs, or is stock Gen4 G20 spring sufficient? Thanks
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I don't have that conversion barrel. I do suspect that the stock RSA would be just fine. Your gun will confirm that within a few magazines, I'd suspect. Me? I wouldn't swap the RSA until running a bunch of ammo with the new barrel and seeing if there is a need.
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