22 mag penetration tests
The difference in muzzle velocity change as a function of barrel length is due to the fact that 25 ACP cartridges use pistol propellant and 22 Magnum cartridges use rifle propellant. Maybe it was just a case of a bad lot, but even if that were true, poor quality control would be another strike against this round. The 22 Magnum cartridge has its share of lovers and haters and I happen to be a fan. In the case of the winning ammo, I shot rounds into the synthetic gel and also into a block of organic gel, to ensure the results were valid. As this type of propellant grain burns, a smaller surface area is presented to the flame. I'll start by giving my argument for an HMR Making the gelatin and setting up a test with photos and measurements shouldn't be diificult for those who own both calibers.
.22 Mag Results in fps
22 Mag and 32 Mag Loads: Are They Enough for Self-Defense?
Since it is the birdshead grip model with 3-inch barrel, it neatly split the difference between the short barrel found on NAA Mini Revolvers and the typical 4-inch barrel of 22 Magnum kit-gun-type revolvers. Expansion is important because if you have two holes that are the same depth, the hole that has the largest diameter will also be the one that is likely to do the most tissue damage. Even if it were done by an unbiased outside source somebody from one camp or another would ,, cry foul. Would even be a great idea if several people were to do there own tests and post results. I wanted the smallest. The good news is, even the lowest velocity recorded in a 10 round string was comparatively high.
Becker Tactical Blog: Magnum ammo tests
This topic will never end. While the revolver itself is a great firearm, the choice of caliber leaves much to be desired for such a short barrel length. The smaller the bullet, the harder it is for the optical sensor to detect it, and the more necessary it is to get the bullet exactly over the sensor's field of vision. With the longer nearly 2 inch barrel. The 22 mag is not good for anything but maybe to make a hummer out of it!
I would say all the "tests" have been done. SteveM, Answer: on those critters, Jack Rabbits and such that it was is intended to destroy. There are drawbacks to either cartridge other than the lack of bullet width and bullet mass. How did it compare to the two other defensive loads tested? Which if it performs like I've read, all the time, is the only bullet that should have ever been loaded in the hmr. American Hunter March , great article on 22 magnum ammo!