The Times (the British one) has a story about the continuing debate over the 7.62mm round versus the 5.56mm as employed in the long range firefights in Afghanistan. The story asserts that the 5.56mm round used in the M4 rifle “lacks sufficient velocity and killing power in long-range firefights.” As Defense Tech readers know, we’ve covered this issue before. As for the stopping power of the 5.56mm round, that very topic came up at a roundtable discussion I attended with the Army’s Program Executive Office Soldier last month at Aberdeen Test Center, Md. It led to an interesting discussion about...