The Glock 26 frame is far more than a polymer grip module. It is the serialized core that determines grip length, magazine compatibility, trigger housing geometry, and the overall feel of one of the most widely carried subcompact 9mm pistols in the United States. Whether you are replacing a damaged frame, building a complete pistol from OEM parts, or setting up a dedicated training platform, understanding the Glock 26 frame’s generation-specific details, materials, and legal role is essential. This guide explains factory specifications, practical reasons for buying a standalone frame, and the key fitment and compliance factors that influence a successful purchase. OEM Glock 26 Frame Specifications and Generational Differences…