45 ACP cartridge. In the very earliest days of the .45, the 230-gr. round-nose FMJ bullet was loaded to 820 feet per second, which delivers about 343 ft-lbs. of energy. Eventually, the ordnance ...

45 ACP round that feeds that firearm ... 38 caliber round just wasn’t doing what they needed, assigned an Army Ordnance Board to examine the effects of differing calibers on animals (both ...

The .380 ACP is one of the most popular calibers for concealed carry today. Many small pocket semi-automatic pistols chamber and fire the .380 round because it’s smaller than 9mm and can ...

45 ACP in a flush internal magazine, and yet still weighs just 38.48 ounces loaded. The 1911, by contrast, weighs 42 ounces with a flush internal magazine of seven rounds. (Ten round magazines ...