Quoted:
This got me to thinking, how much ammo should someone have onhand to feed two HBARs if things ever got ugly in the world? [:)]
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The question is clearly " how much ammo is enough if SHTF"
How much is enough? as in minimum? one well placed round per BG is typically more than enough.
How much shoudl you have? Well, unless you hit 100% of your shots, always have extra. That's kind of a given.
Also, when you go off to war/deployments/etc, you don't know how many tango's you'll engage. Plan ahead. However, there is no reason why you should be empying mags without hitting shit.
Every shot shoudl count. IF you don't have a good target, or you don't have a good shot, DON'T SHOOT.
Marksmnaship in the military has gone down the shitcan in the past decades.
Back when you had a bolt action, or a garand, you made your shots count.
With the advent of the M16, it became popular in Vietnam to dump mags. don't even aim at charlie, jsut point in the general direction and empty the mag.
3 shot burts seems to have helped a bit however.
If the stastistics were avaialable, i would be willing to bet: Take every round fired in WWII, and every round fired in Desert storm, or our "second Gulf War". WWII will have more hits per rounds fired.
Bottom line, you can never have enough. But don't allow the abundance of ammo to let yourself get sloppy.