As for one being better than the other in real-world terminal performance? This is not a pistol you want to fired with one hand. While working for Colt's Manufacturing Company, Browning conceived of the round as a way to increase the stopping power of existing small arms, which had proved ineffective in the Philippine-American War. Most people use the 40 S&W or a 9 MM because these can be picked up at a lower cost. So any person can learn to use it. There might be some outliers like the Hammerhead from Garret Inc. or the +P+ offering from Buffalo Bore — two of the more expensive .44 Magnum factory ammo on the market today. Therefore, the 44 Mag can be fired and go faster than the 45 … Both the 45 and the 40 will not shoot through a car to reach the criminal shooting at you, the 44 magnum will. in 1978) loading the cartridge. Get your answers by asking now. In its heyday, no other handgun cartridge can match the .45 Colt in terms of ballistics performance. But now that they’re making them, one of the questions myself and other people are asking is, does owning a .454 Casull revolver make sense considering the numerous .44 Magnum loads and revolvers out there to choose from? Next to John Moses Browning’s 45-caliber brainchild, factory loads for the .44 Special were surprisingly weak. From wimpy 450 Adams to 450SMC and beyond. Personally I prefer the .45 or .40 caliber for defense. The .40 S&W and 10mm can be compared similarly to the way a 7.62x39mm can be compared to a 7.62x51mm. In the next 10 or so years, it would go mainstream and reign as the most powerful production handgun cartridge in the world with Ruger and Taurus releasing their own line of. Roughly half or less of the power of the 44 magnum. I have never fired the 40 S&W but I can say the 44mag and the 45ACP does not bother me. To me, with very few exceptions, guns manufactured to specs no matter the make and caliber will always be more accurate than the people shooting them. Below is yet another boring but important table with data on some of the most common factory loads available for the two competing cartridges. It may come up to about 600 ft. Lb. As one of the few surviving revolver calibers from more than a hundred years ago (112 years to be exact, i.e. And load it with the appropriate ammunition for the intended task. 44 Mag, well don't believe Dirty Harry. Recoil V. (fps).25 ACP (50 at 800) 0.75: 0.9: 8.7.30 Carbine (110 at 1400) 3.0: 4.9: 10.2.32 ACP (71 at 910) If you’re the average shooter who likes to buy factory ammo, this caliber is pointless. Before the .44 Magnum was introduced, people stopped caring too much about the .45 Colt because of two reasons: the showstopper known as .357 Magnum, and fans of the .44 Special selling it non-stop as the finest cartridge to have ever existed. Both are big bore magnum revolver calibers way too powerful for concealed carry personal defense. If you’re not sure whether or not your particular firearm would handle non-standard hot loads, you should contact the manufacturer.