45 caliber firearms of WWII would be complete a discussion of what the late great gun writer Dean A. Grennell referred to in his 1989 book The Gun Digest Book of the .45, as “The Weirdest ...

45 ACP (Automatic Colt Pistol) cartridge, it became the U.S. Armed Forces’ standard-issue sidearm following the failures of the Army’s .38 Long Colt revolvers during the fight against the ...