Has anyone done a comparison of effectiveness?

[sarky]

Has anyone done a comparison of the 6.5 Grendel in a short barrel as compared to 7.62x39, 5.56, 6.8SPC, .300BO and the 6.5x40? If so what kind of numbers are we talking?

[Sticks]

LLRP52 did one against a 16" AK47. Out ran it across the board in terminal effects from the muzzle out to 500 (by then the x39 was pretty much done). The 6.8 was also done in some respects and was also left behind somewhere around 300.

If you can get the MV for the above mentioned calibers you can run your own numbers with any of the ballistics calculators. Don't need anyone to do a side by side at the range unless you start talking barrier penetration (dry wall, glass, brick, armor....) then it's a big fruit salad (apples to oranges to bananas)

[Bigs28]

Lrr was a 12" grendel vs 16" as well. Their are YouTube videos out their comparing the rounds on penetration as well.

[LRRPF52]