![]() ![]() 45 ACP-particularly when it was housed in a relatively short, light pistol. Many of us rely on a shotgun or an SBR, but most of us would own and keep at least one handgun at home. 40 S&W-in 180-, 165- or 155-grain configuration-was a lot closer, recoil-wise to the. The main reason why we all have guns in the first place is home defense. Controllability is also a factor, since the. ![]() 45 ACP) Both are valid points and very understandable reasons to prefer one over the other. Click here to learn about more handgun calibers. 45 is better because it shoots a bigger caliber bullet, or that the 9mm is better because of its capacity. It was felt that improvements in bullet technology boosted the 9mm beyond what the round achieved in the decades since it was a law-enforcement standard in this country. Popular Pistol Calibers You’ll hear a lot of people say that the. 40 S&W-despite much initial fanfare-took a serious hit in popularity few years back with the resurgence/re-adoption of the 9mm among a whole lot of state, federal and local law enforcement agencies. There are comparable 9mm burdens for silencer use, yet they aren’t as weighty, so there’s less energy to move. You get more active energy out of an effect than you can with 9mm. 45 ACP (overall length of 1.275) could not. 45 ACP discharges heavier bullets at simply under supersonic velocities, making it ideal for concealment. 40’s main selling point was that it had an overall length of 1.135 inches, which permitted its use in 9mm-size platforms-something the. 40 S&W was developed for the FBI as a replacement for the “10mm Lite” loads that came into being as an easier shooting alternative to the full-house 10mm auto-which, at least in its early 170-grain Norma loading, was, well. 45 ACP loads run the gamut between 200-grain +P JHPs to 255-grain HCs. 40 was developed in 1990, while the 9mm was designed in 1901 the. 45 ACP have a considerable longevity advantage over the. 45 ACP 230-grain hardball load has a muzzle velocity while higher-pressure 9mm Luger rounds can be around 1,300 fps. The velocity span, naturally, is a bit larger. Objectively speaking, that’s really not all the great of a bullet diameter span, but it’s been more than enough to fuel countless hot-stove arguments for decades. Speaking metrically, these three auto standbys are 9.01mm, 10.2mm and 11.43mm, respectively. So as with most things firearms-related pick your preference: heavier. Black Hills 125-grain all-copper Honeybadger offering with its fluted bullet configuration. Though a 9mm pistol will hold more rounds, the. But the actual physics involved aren’t as disparate as they might seem, despite the passionate arguments from one side or the other. The much-used term “stopping power” has been bandied about by handgunners since, it seems, the dawn of time. And the general areas of contention usually revolve around controllability, capacity and power. 380 ACP and centers around the 9mm Luger. ![]() When most shooters talk about “serious” defensive pistol calibers, the conversation usually bypasses the. ![]()
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