- Initially Glock 17 (9mm) and Glock 22 (.40 S&W) will be available. Compact models will follow later in 2010.
Features duel recoil spring which should increase reliability.
Features Swappable backstraps.
Magazine release swappable between left and right.
Old magazines still work, but only when mag release is on left side.
Gen4 slide is clearly marked as "Gen4".
Retail price for G17 and G22 Gen4 is about $700 (actual prices will be lower than this).
Glock will cease sales of the 3rd Generation and RTF models.

