INDICATORS ON WHERE CAN I BUY A GLOCK ONLINE YOU SHOULD KNOW

I have a G22 that I purchased for a duty weapon about 11 yrs in the past. I had been going to invest in A different Glock in .357 till I found out I could just do a barrel swap on my G22. Dilemma is which manufacturer barrel and where to get it? I sometimes CC it but mostly just shoot it within the array. Click to broaden...Gen3 functions involved