Today I broke in my Ruger Blackhawk 7.5" barrel revolver chambered in .30 Carbine.
But, since the barrel length is roughly half of what the old WWII era M1 Carbine had I was rightly curious about the velocity I might get from this revolver. So out comes the chrono, which usually only sees my handloads running across it. I had a box of "American A-Merc 110-gr C3" ammunition to try out. I put the first 2 cylinders across the chrono, 12 rounds, and got the following:
All units FPS
Average = 1427
Extreme Spread = 111
Standard Deviation = 38.6
Now, if this were one of my handloads I would be heading back to the drawing board. That is a simply AWFUL spread of velocities. But this is commercial (factory) ammo, shouldn't it be better than this?
Now admittedly, even a little bit of internet searching will yield horror stories about this brand of ammo. Indeed, I had one round from the box that wouldn't ignite no matter how many times I dropped the hammer on it. I am intrigued and want to collect more data on factory ammo.
I guess my point is that just because something is "factory ammo" doesn't mean that it is good. And I intend to continue to hold my handloads to a high standard. I am sure some of my handloads will come in with tighter SD than comparable factory ammo.
Thus spoke Zarathustra.
Footsoldier in the Conservative Insurrection of the GOP.
Remember, only you can prevent big government!