This thread is intended to show photographic examples of frame generation comparisons, common-use Glock terminology, less-common variations, and other things that are helpful to folks who may have never heard of or seen certain Glock-related items. Below is a comparison photo of the various 9mm full-size frame generations with labels: NOTE: Images have recently been moved to a new host. NOTE: Images have recently been moved to a new host. Again. Tags: Glock frames, Glock generations, Glock frame comparison, Glock frame generations, Glock frame styles, Glock frame types, Glock Gen1, Glock Gen2, Glock Gen3, Glock Gen3 RTF2, Glock Gen4, Glock Generation 1, Glock Generation 2, Glock Generation 3, Glock Generation 4, Glock photo, Glock frames photo, Glock frame types photo.