Originally Posted by
C-grunt
I remember reading when this first started that the Army chose .277 because they found it was the "perfect" caliber for a combat rifle after their testing. Why is it better than a 6.5 or 7mm bullet? Who knows.
From what I understand, 6.5 has the flattest trajectory and highest BC, 7mm has the best terminal ballistics and barrier penetration, and 6.8 is a happy medium between the two. They found the same thing when they were developing the 6.8 SPC, and even back before that, when they developed the .276 Pedersen.
Those who beat their swords into plowshares will plow for those who do not.-Ben Franklin
there’s some good in this world, Mr. Frodo. And it’s worth fighting for.-Samwise Gamgee
Bookmarks