In 2007, Glock introduced a new full-size pistol frame to compete in the U.S. military Joint Combat Pistol trials for a new .45 ACP handgun to replace the M9 9 mm pistols in use at the time.

Both Glocks were based on the original Glock 17 but rechambered for .45 ACP. One of the major advantages to the Glock 21 and 41 was the use of a double-column magazine to create a pistol that held ...

Glock’s .45 GAP round was designed to provide .45 ACP performance in a shorter cartridge that would fit into a standard size Glock grip frames. However, the compact G38 and sub-compact G39 .45 ...

In reality, the Glock 21 is actually one of the best, and most affordable, .45 ACP pistols on the market. The Glock 21 carries thirteen rounds in a double stack magazine that is wider than the ...

Both the Glock 20 (10mm) and the Glock 21 (.45ACP) are Glock's large frame guns. The grip circumference is noticeably larger than that of the 9mm/.40 caliber weapon frames. Still, they are ...

Released in 1990, the Glock 21 carries 10 rounds of .45 ACP in a flush internal magazine and weighs 38.48 ounces when loaded.

I had an opportunity to try out the new Glock 45. At the end of the test I determined it was definitely a great patrol gun. I would own one, and, if I were still on patrol, this would be my duty gun.

Famous for making the pistols carried by British secret agent James Bond, German gun-maker Walther is releasing its PPQ handgun chambered in the American .45-caliber ACP cartridge.

"The weapon used in this horrific shooting was a Glock 21 .45-caliber handgun," Ventura County Sheriff Geoff Dean told reporters on Thursday morning, hours after the deadly shooting.