The Glock Factory Trigger Housing w/ Ejector is a genuine Glock OEM trigger mechanism housing that anchors the fire-control components inside your pistol's frame. This housing comes with the 8196-2 ejector already installed, ensuring proper ejection and trigger reset for large-frame models. It fits 10mm and 45 ACP Gen3 SF and Gen4 Glocks, including G20SF, G21SF, G29SF, and G30SF. This part corresponds to part number 22 on the Glock schematic, making it a precise fit for these specific calibers.Key FeaturesGenuine Glock OEM Part: This trigger housing is a factory part, not an aftermarket copy, ensuring reliable performance.Included Ejector: The housing comes with the correct 8196-2 ejector installed, which is essential for reliable ejection on 10mm and 45 ACP frames.Compatibility: Specifically designed for Gen3 SF and Gen4 Glocks that utilize 10mm and 45 ACP calibers.Direct Replacement: A clean and direct replacement for worn or damaged housings, ensuring no guesswork in your rebuild.