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A firearm derived from the M16A2/A4, commonly thought to be an extremely reliable and "1337" weapon. In actuality, the M4A1 (and M16 line, for that matter) requires constant cleaning and maintenance, and is extremely susceptible to jamming from sand and dust. Careful maintenance, however, can negate these negative effects. It should also be noted that the M16/M4 fires the 5.56x45mm NATO cartridge, a bullet designed to WOUND, not KILL a target. The 5.56mm's lack of stopping power is proving problematic when faced with less squad-oriented enemies (this was noticed particularly in the 1993 conflict in Somalia and today in the Middle East). The 5.56mm was designed to basically incapacitate three men with one shot-- the wounded soldier, the medic that's supposed to work on him, and the soldier's friend/medic's assistant. Now, however, UN and NATO forces are facing insurgents that don't actually field treat dead or wounded.
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