Bob,
With respect, there was more than one is Vietnam experience, and I've read about tunnel clearing specialists whose experience differed from what you observed. You also like to talk about what you have read about the Moros - it was just different from what I've read. And really, I was just using that to illustrate a point that peak chamber pressure is a really poor predictor of muzzle blast and noise. And it is.
I don't believe in Power Factor because it is a made up concept used in a game, not a scientific principle based on either physics or (more importantly) wound analysis or statistics. Power Factor would not explain the bullet behavior of the original 1:14 rifled AR-15, either. Power Factor is a lot like Hit Points in Dungeons and Dragons - rules to make a game function.
In answer to your last question - wouldn't that be a better question for officers and soldiers using 5.7 pistols and subguns?
One last thought: I do have friends who were also in Vietnam. Why did one of them tell me how they illegally made dum-dums out of their .45 ammo? Because IPSC hadn't been invented yet? His unit felt pretty strongly about the performance of .45 FMJ.
With respect, there was more than one is Vietnam experience, and I've read about tunnel clearing specialists whose experience differed from what you observed. You also like to talk about what you have read about the Moros - it was just different from what I've read. And really, I was just using that to illustrate a point that peak chamber pressure is a really poor predictor of muzzle blast and noise. And it is.
I don't believe in Power Factor because it is a made up concept used in a game, not a scientific principle based on either physics or (more importantly) wound analysis or statistics. Power Factor would not explain the bullet behavior of the original 1:14 rifled AR-15, either. Power Factor is a lot like Hit Points in Dungeons and Dragons - rules to make a game function.
In answer to your last question - wouldn't that be a better question for officers and soldiers using 5.7 pistols and subguns?
One last thought: I do have friends who were also in Vietnam. Why did one of them tell me how they illegally made dum-dums out of their .45 ammo? Because IPSC hadn't been invented yet? His unit felt pretty strongly about the performance of .45 FMJ.