M4A1
When using the M4A1 I personaally recommend using kick,red dot sight, and a silencer the silencer is for sneacking around the battlefield without being detected when firing and the red dot sight is good because it's not very big so you can see your enemies very clearly before zooming in to finish them and kick is to reduce your kick when firing the M4A1 it comes in very handy when playing online.
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