PDF Reprint of the Glock Collectors Association Master Journal was revised April 2019. In this Master Journal, first published by GCA in January 2019, you will find articles on:
- GLOCK Model Generation Identification
- GLOCK Serial Number Nomenclature
- UPDATED Standard Production Matrix
- Model G20 Detailed History and Serial Numbers
- Model G21 Detailed History and Serial Numbers
- Unusual Specialty Marked and Engraved Glocks
- Commemorative Engraved Glocks
- Glock Gen 4 (RTF-4) Comparison