A week or so
Yes
Glock
Glock. They are the manufacturer of firearms with their name.
Glock 17
The effective range on this certain Glock is about 125 yards.
the glock frame is made of hitech polymer. but only the frame
Very likely, it's the Glock. Glock in general is the best selling pistol in the commercial and law enforcement market.
Glock never made a model 8. You may be thinking of the Glock 18, their only full-auto handgun, which was developed from the 17 for Austria's "Cobra" counter-terrorism unit.
Glock, its well balanced, easy to clean, lightweight, and well made
Glock 19 and a Walther P22
The answer is almost definitely the Glock. About 65 percent of U.S. law enforcement uses the Glock, and probably that much or more in the commercial market also.
I'm reasonably sure it's the Glock 23 for most agents.