Contract Killers is an online multiplayer free-to-play browser fps developed by ExuroDev. Contract killers is a stealth based game.
M4A1 [W.I.P.]
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![M4A1 [W.I.P.]](https://media.indiedb.com/cache/images/games/1/18/17258/thumb_620x2000/m4a1wip.jpg "M4A1 [W.I.P.]")
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Description
As you can tell by the title. This is a work in progress m4a1. Yes it will be in the game :D And yes, replaceable attachments. :DD