Quote:
Originally Posted by gunnut
Whoa, I didn't know there's a 77gr bullet for the 5.56mm. I've always used M-193 and SS109 surplus rounds.
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It's the heavier bullets coupled with the proliferation of M-4's (and even shorter like 10- 14.5" barrels) that gave rise to this whole thing.
Turns out that the point at witch the round slows to around 2400 fps comprises its max effective range. And out of those shorter barrels that range is too short. Psycologicaly (sic?) The bigger round seems more comforting ... whether that is effectively true or not.