I just got off the phone with Bar Sto, they told me that all I need to do is buy one of their drop in barrels and a 9mm magazine and I'm good to go. Spring optional, but I'll probably buy one (how much could they be??) b/c I assume a lighter spring will cycle the action better in 9mm.
Is it really this easy? Are the Bar Sto drop in barrels decent?
Is it really this easy? Are the Bar Sto drop in barrels decent?