The Truth About M855 5.56 NATO Ammunition - The Truth About Guns

SFC Ralph E Kelley good read and share, I did not the difference. Interesting perspective. Some of the most recent studies indicate that with a common 16″ barrel, M855 ammunition has severely degraded performance past 150 yards and is only effective to about 500 meters (versus the 600 meters at which it was designed to penetrate a steel helmet with a standard M-16).

PO1 William "Chip" Nagel Samantha S. Maj Marty Hogan SGT (Join to see) SGT Philip Roncari SPC Margaret Higgins SGT David A. 'Cowboy' Groth CW5 Jack CardwellCOL Mikel J. Burroughs CPL Dave Hoover SFC Shirley Whitfield LTC Stephen F. SSG William Jones Lt Col Charlie Brown PO1 Tony Holland TSgt Joe C. PV2 Mark Zehner LTC Stephan Porter SGT Mark Estes

Military just contracted for barrier penetrating 5.56mm ammo. I believe it is an OTM bullet.

Unless things have totally change since I left service in 1996 the green tip round was to show it was grain loaded for the M16A2 and not the be used in the M16A1s still in the racks. The grain of the round and powder was much to high to use in the M16A1 and could led to the barrel bursting on the A1