The Glock 37 is a pistol produced and manufactured by Glock of Austria. The G37 is a Glock 17 modified to fire the more powerful .45 GAP ammunition.
The Glock 37 uses a different frame, slide, barrel and magazine but is relatively similar in looks to the Glock 17 however has a wider slide. The pistol has a 10 round magazine capacity.
The .45 GAP ammunition was specifically designed by Glock, it has nearly the same precision performance as the .45 ACP ammunition however is short enough to fit into smaller framed pistols.
The pistol first appeared in 2003, and is mainly available in the United States. The weapon was designed for self defense and law enforcement use where its large caliber offers exceptional single shot stopping power, while avoiding the excessive large frame size problems of the Glock 21.
In November 2006, the New York State Police officially announced that they were replacing the older 9 millimeter Glock 17 pistols their troopers currently carried, with the standard Glock 37 chambered for the .45 GAP cartridge. The State Police purchased a total of 5,400 pistols at a cost of 2.2 million dollars (US Currency). The troopers are expected to complete the transition to the more powerful firearm by Spring 2007.
The Georgia State Patrol additionally began issuing the Glock 37 pistol to its troopers in 2006.
The Pennsylvania State Police also now issue the stronger Glock 37 and Glock 38.