I am surprised that nobody has mentioned the simple fact that "as is" your shooting and accuracy at 100 yards is to be commended. A 9" group at 100 yards with a pistol is excellent "combat" accuracy. I don't know too many "enemy combatants" with a torso cross section of less than 9" across. That's almost pure headshot level accuracy!
I imagine it will open up quite a bit when you step out to 200 yards, but I really wonder about the ballistic efficiency of the 9mm cartridge at 200 yards any way, even from a carbine or rifle. Does anyone have any ballistic foot/pound energy data like that handy at those ranges?
I don't think I'd like to volunteer to take a round at 200 yards as a test subject though. I imagine it would still be very capable of wounding or killing with luck, I just figure it would have slowed and dropped quite a bit.
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