55gr of brass and lead at 3000fps was definitely the last
His preferred pronouns are now “was” and “were”
And that my friend is why the 556/55-77 grn cartridge is very effective at fight stopping. from 0-250m these bullets like to come apart,; making mush of bone and tissue from 250-600 or so, they drill very neat precisely accurate holes if the “pointer” points them right....and are much easier to shoot/hit with under duress than the 30s. We save those for the Medium MGs.