GLOCK NO FURTHER A MYSTERY

I've a G22 that I purchased for just a duty weapon about 11 many years in the past. I was about to invest in One more Glock in .357 until I found out I could just do a barrel swap on my G22. Problem is which brand name barrel and where to order it? I once in a while CC it but largely just shoot it at the selection. Click to broaden..."You could ins