07-27-2011, 07:20 AM
stanc Wrote:Granted, but these days the SOP even for 5.56mm is to use aimed, semi-auto fire almost exclusively. AFAIK, full-auto is rarely employed with 5.56 carbines and rifles, so controllability in automatic fire isn't something to be very concerned about.
And yet - the first two US Army improvements due to be made to the M4 are a full-auto switch and a heavier barrel to withstand higher-intensity automatic fire. Something doesn't add up...
