Got a Glock 40, quick upgrade question

Got a Glock 40, quick upgrade question

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I once saw a video where the guy replaced his Glock 20 barrel with a Lone Wolf barrel and a more durable steel spring because of the power of the 10mm. I wouldn't mind doing that just for the cool factor if nothing else, I found the Lone Wolf barrel, but do you guys know which steel spring I should buy, and where I would find it? Glock 40 is the 6" barrel 10mm. Thanks

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Got a Glock 40, quick upgrade question