February 2005

Self-Defense .45 GAP Loads: None Have Everything We Want

Our tests of commercially available Glock Automatic Pistol cartridges from Federal, Winchester, and Speer show disappointing accuracy results and stout recoil.

Accuracy testing entailed firing four 5-shot groups with a Glock 37 bolted into a Ransom Rest.

The .45 Glock Automatic Pistol (.45 GAP) cartridge was developed by Speer for chambering in Glock’s new Model 37, in much the same way Smith & Wesson and Winchester worked together to develop the Model 4006 and .40 S&W cartridge, respectively. Glock and Speer’s goal was to provide double-digit magazine capacity in a .45 auto with a grip the same size as a 9mm/.40 Glock. In this they succeeded; the Glock 37 fits 10 rounds of .45 GAP into magazines the exact same size as Glock’s 9mm/.40 chambered guns, making it an 11-shot gun fully loaded (10 in the magazine, one in the chamber). …
 
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