AN UNBIASED VIEW OF WHERE CAN I BUY A GLOCK ONLINE

I have a G22 that I purchased for your obligation weapon about eleven yrs in the past. I used to be going to get another Glock in .357 right up until I learned I could just do a barrel swap on my G22. Dilemma is which manufacturer barrel and where to acquire it? I occasionally CC it but mainly just shoot it for the assortment. Simply click to grow.