Hey guys, here's my IMPROVED MW3 Multiplayer Gun Guide for the M4A1! I upgraded the series and added a TON more detail. I really think this one is a winner! Enjoy! FOLLOW ME ON TWITTER AT: / jv2017 LIKE ME ON FACEBOOK AT: http://tinyurl.com/3wltkcm TAGS: hd gameplay commentary multiplayer walkthrough lets play single player story campaign achievement mission strategy guide review tips montage call of duty cod cod4 mw2 mw3 modern warfare [2] [3] xbox 360 xbl ps3 psn pc trailer confirmed weapons spec ops survival game mode kill team defender JV2017 JV2017gameplay machinima respawn machinimarespawn gun perk assault support specialist streak killstreak point strike package elite map pack dlc weapon M4A1 damage stats proficiencies attachments pickle9000