Glock's .45-caliber cartridge in a 9mm-length case, allowing a standard-frame Glock to chamber .45-caliber bullets. Adopted by several US state police agencies seeking .45 ACP performance in a compact platform.
Type: Pistol
Introduced: 2003, United States
Parent case: .45 ACP
Standardization: SAAMI
Bullet diameter: 0.452" (11.48 mm)
Case length: 0.755" (19.18 mm)
Overall length: 1.07" (27.18 mm)
Max pressure: 23,000 PSI
Rim type: Rebated
Primer: Small Pistol
Typical twist rate: 1:16
Muzzle velocity: 850–1000 fps
Muzzle energy: 297–512 ft-lbs
Effective range: 50 yd
Common bullet weights: 185, 200, 230 gr
Primary use: Law Enforcement, Self Defense
Production status: Active
Also known as: .45 Glock Automatic Pistol · 11.43x19mm
History: Developed in 2003 by Glock and CCI-Speer to allow Glock to offer a .45-caliber pistol on their standard-frame (not large-frame) action. The short case fits in a 9mm-sized frame while delivering .45 ACP ballistics. Several US state police agencies adopted it, including New York State Police, South Carolina Highway Patrol, and others. Ammunition availability has fluctuated; some agencies have…
Notable firearms: Glock 37, Glock 38, Glock 39
Similar cartridges: .45 ACP, .40 S&W