The Glock Collectors Association Master Journal was revised May 2023 and includes:
Updated Matrix with Glock Serial Numbers and Letter Prefixes
With four new GLOCK models being introduced--GLOCK G47 MOS, GLOCK G20 Gen5, GLOCK G21 Gen5, commercial variant of the GLOCK G28--the Matrix has be updated. The Matrix is the official list of First Run GLOCK pistol serial numbers and letter prefixes in the U.S.
Plus:
- Model G20 Detailed History and Serial Numbers
- Model G21 Detailed History and Serial Numbers
- Unusual Specialty Marked and Engraved GLOCKs
- Commemorative Engraved GLOCKs
- GLOCK Model Generation Identification
- GLOCK Cutaway Models
- "Cut Down" G19 Gen1 Pistols
- Comparison of GLOCK Gen4 (RTF-4) to Gen3 (RTF-2)
