Thanks for the help. I apologize if my question was previously protected, am nonetheless a tad slow with processing info. Glock pistols with these updates are informally often called (early) "3rd-generation" types. Later third-era versions Also highlighted a modified extractor that serves as a loaded chamber indicator, plus the locking https://thefairlist.com/story8958739/buy-a-glock-online-things-to-know-before-you-buy