Originally Posted by kalnaren
Many people recommend an M4 as a first gun. Personally I'm not a fan of that platform. Others you may consider is an HK416, or G36C or K.
I will admit that the G36 is another very good platform to start with. I ran with one for some time and was very pleased with it. The only issue I found were the mags, however a STANAG magazine (M16/M4 style mag) conversion is availabe relativly cheap.