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View Full Version : What's the difference between Colt M4 and Colt M4A1?


Freeman25
January 31, 2005, 01:48 AM
In the looks, operating cycle, functioning?

IZinterrogator
January 31, 2005, 03:19 PM
Looks are the same. Both are flattop carbines. The decision to install the rail adapter system is a unit one, but the M4A1, due to it being used by SOCOM, will have one 99.9% of the time. The M4 has a three-round burst, while the M4A1 is full auto. Like I said earlier, M4A1s are used by SOCOM, while M4s are used by the regular ground-pounders, so they are not as likely to get all of the bells and whistles, unless the unit commander makes the effort. When my division traded its old M2 Bradleys for a newer model, one battalion commander decided that he wasn't going to pay to keep vehicles that he was going to turn in in top shape. He made sure that the Brads could drive to the turn-in yard and spent the rest of the maintenance budget on accessories for his M4s, gear for the snipers, etc., so that unit almost has the equivalent of the SOPMOD package for every fire team. Not a bad decision in my book, but they still only have burst, as opposed to the real SOPMOD M4A1s.