Blowback, or GBB, is perfectly accurate, more realistic in terms of function and handling, makes for a great overall shooting experience, and especially if you're after a gun that is single action, you don want a double action trigger.
Via TapaTalk, I can't see if you're age verified. If not, put that at the top of your list and browse our classifieds. If you want new, at least being AV'd we can link you to alternatives that you'll want to keep, not replace.
Location: YYZ VOR 062 radial, 17.5 DME FL5280