These are factory original, drop-free magazines for your factory Glock handgun, specifically tailored for those seeking the Glock 24-round magazine or the Glock 9mm 24-round factory magazine. Factory Glock magazines, be it the Glock 19 24-rd mag or the Glock 17 Gen 5 24-rd magazine, have a hardened steel insert encased in high-tech polymer. This cutting-edge polymer coating not only ensures the longevity of the 24-rd Glock magazine but also protects it, preventing deformation even when dropped from significant heights. Equip your Glock with this reliable extended capacity and enjoy enhanced shooting sessions. NOTE: GLOCK MAGAZINES CAN BE VERY DIFFICULT TO LOAD WHEN NEW. OFTEN THE LAST ROUND WILL NOT FIT UNTIL THE MAGAZINE HAS UNDERGONE A BREAK-IN PERIOD. IT IS RECOMMENDED THAT THE MAGAZINE BE LOADED WITH ALL BUT THE LAST ROUND AND LEFT FOR A FEW DAYS TO COMPRESS THE SPRING. CYCLING THE MAGAZINE FROM FULL TO EMPTY MULTIPLE TIMES CAN ASSIST IN THE BREAK-IN PERIOD.