For a hundred years, you could reload 45 ACP brass and never give primer pockets a second thought. Then some asswipe decides they can save a few bucks by using small primers instead of large ones. I hope his richard falls off the shower.
The 45ACP was actually introduced in 1905, so more like 113 years. π
http://www.sightm1911.com/lib/history/45_Auto_Cartridge_History.htmNow, after the official introduction in 1905 by Winchester Repeating Arms Co. & Colt Mfg. Co. of the .45 AC together with the Colt model 1905, the folks at Frankford Arsenal began to activate matters, starting and trying to better up the existing round. They ended up with a slightly modified .45 cartridge with a longer case and heavier copper-nickel jacket bullet of 230 grains, named βCal. .45 Automatic Pistol Ball Cartridge Model of 1906β