Well, "police issue" according to which department? Glock pistols can hold anywhere from six to 17 rounds, depending on the model. It all depends on which one the department you have in mind uses.
about 14
13 Rounds.
The standard magazine holds nine rounds.
Depends on the model
Standard magazine- 13 rounds. There are optional 10, 15 and 22 round magazines.
The number of bullets a Glock can hold depends on the specific model and magazine used. For example, a standard Glock 17 has a magazine capacity of 17 rounds, while a Glock 19 typically holds 15 rounds. There are also extended magazines available that can increase capacity. Always check local laws and regulations regarding magazine capacity.
However many are cycled through them. Different magazines ("clips") hold different amounts of ammo. For instance, the Glock 17 9mm standard mag holds 17 rounds, but the smaller Glock 26 holds only 10. You can also get extensions to hold more rounds, like the 30-round extended mag for the Glock 17.
There are several models of Glock pistol in .45 calibre. The .45 ACP models include the Glock 21, Glock 30, and Glock 36. The .45 GAP models include the Glock 37, Glock 38, and Glock 39. Factory standard magazine capacities are as follows:Glock 21: 13 roundsGlock 30: 10 roundsGlock 36: 6 roundsGlock 37: 10 roundsGlock 38: 8 roundsGlock 39: 6 rounds
Factory and aftermarket magazines are available for nearly all semi-automatic handguns with possible capacities of 30 rounds or more. Glock 9mm models are available with 33 round magazines and even drum mags that hold more than that. For the largest "flush fit" factory magazine capacity, the Springfield XDm 9mm holds 19 rounds in the mag, and the FN 5.7 pistol can hold 20 rounds.
The number of rounds a magazine holds is a function of the magazine, not a function of the gun. Many 1911 magazines hold 8 rounds, a few Sig magazines hold 8 rounds, and there are others.
15 and up. Actually, it depends. Many police departments in the U.S. use .40 caliber handguns. Some Glock handguns (the model 22, for instance) hold 15, but the Glock 23 holds 13. Sig .40 caliber handguns hold 12. That said though, some agencies still use 9mm, although, depending on the model, some of those hold 11 or 12 also.