03-07-2013, 04:58 PM
Tony Williams Wrote:A 6.5mm lead-free bullet could weigh 7 g (108 grains), maybe a bit more. That's 75% more than the 4g M855, while the 9.5g 7.62mm M80 weighs only 35% more than the 7g. So even if all else is equal (unlikely, given the very ordinary performance of the M80), the lead-free 6.5 should be very much closer in effectiveness to the 7.62mm than to the 5.56mm.I agree. However, the yet-to-be-answered question is, will it be close enough?
