For the first time ever GLOCK has made a super high capacity magazine for the .40 caliber GLOCK pistol. Although stamped .40 this magazine fits .357 sig rounds, too. Rounds fit as follows:
Stock setup: 22 rounds
Glock +2 Extension: 24 rounds
Scherer +2 Extension: 24 rounds
Stock setup: 23 rounds
Glock +2 Extension: 25 rounds
Scherer +2 Extension: 25 rounds
Magazine measures at 6.5 inches. This may help some competition shooters use a longer factory magazine.