Your not going to be effective at 400 because of the very short site radius...
Well....yes, you can be effective at 400yds. with a pistol. With practice of course.
Don't get me wrong, I'm in no way insinuating that I am, I'm not. But there have been though's that have shot the even shorter airweight revolvers at incredible distances. While shorter site radius does make it much more difficult, it does not make it impossible.
Too, I'm also not implying that whomever(Marines or otherwise) buys these new .45's will automatically be able to do this, they won't. Just that shooting a pistol at long range is not impossible.
As far as the .45 being re-instated as 'the weapon of choice' for some military personnel, I can't see why this is so surprising. These will not be the same 45's of old. They are updated with the latest upgrades possible and will most likely be shooting the latest in 45 ammo as well.... I.E.the new 45's will cycle JHP as well as FMJ due to up-graded bbl's.
Heck, when the 9mm first came out here in the US, it was questionable as a SD round as well. Technology has made it the effective SD round it is today.
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