The Master Journal is revised and published each time GLOCK introduces a new pistol. Ans in the past few years there have been many GLOCK pistols released. The the most current pistols to be introduced are the Gen5 .40 S&W guns. There are five .40 S&W Gen5 guns released: G22, G22 MOS, G23, G23 MOS, G27 and G35 MOS. The Matrix has been updated to reflect the First Run of new Gen5 .40 caliber pistols.