Comments by "Anders Juel Jensen" (@andersjjensen) on "Heckler & Koch's Modular Machine Gun: the HK21E" video.

  1.  @soudadmaouas7058  Oh, I'm not saying that it isn't. I'm saying that human beings are so soft that at normal combat range (up to 200m) the 5.56 is plenty powerful enough to make them incapable of fighting after a torso shot. Despite being a smaller round it has a higher velocity (the bullet weight to gun powder amount is much better on the 5.56) so it reaches the target quicker on close range making it easier to hit moving targets. You need to shoot at targets 250-300 away before the 7.62 "catches up" because it doesn't lose velocity as fast as the 5.56 Obviously the 7.62 has a much better penetration on harder targets, but that's the thing: unless you're fighting idiots who think a small wooden shed is actual cover, then it doesn't matter. Brick, concrete and tamped dirt structures are enough to stop it. Armored vehicles stop it. Normal cars, however, are not enough to stop a 5.56 either, so there it doesn't matter. As I've said, I've used both on multiple deployments, and having the LMG guy on 7.62 is obviously a nice backup, but I do prefer the lighter rifle with a 30 round magazine when trotting around at ground level in dense environments because the benefits of the 7.62 never really comes into play there. Now if I'm at an elevated position doing over watch with great visibility I'd obviously prefer the extended range... but at the end of the day, once you put a bullet in the target the caliber doesn't really matter. They either die or get pulled away screaming. Both of which means you don't have to worry about them any more. Sometimes the screaming can actually be of benefit: It occupies someone else for a while.
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