A "first-era" Glock seventeen With all the slide locked again exhibiting its vertical barrel tilt The 1st-generation (Gen 1) Glock pistols are most notably identified by their smoother "pebble complete" grip and finger groove-considerably less frames. The Gen one body pattern and design and style was utilized by Glock from https://www.flurryjournal.com/why-a-professional-cerakote-service-is-essential-for-your-firearm/