Factual error: In the beginning scene in the locker room, Taylor brings up his Glock and calls it the "Glock 19", however a shot shows the pistol's trademarks, displaying it as a Glock 22.
Factual error: Very early in the movie, in the locker room shot, one of the officers begins to show off his gear to the camera. One of the items he boasts is a "Spyderco tactical knife." The knife is actually a Smith & Wesson first response assisted opening knife, model SW911B. (00:04:45)