The KN 57 assault rifle in call of duty black ops 4 is a powerful versatile assault rifle it can be used to defend a position by attacking objective it has a moderate fire rate and high damage although you have to control the recoil at medium range be sure to maneuver the map so that when you engage enemies you are behind as much cover as possible to make it harder to shoot you the best attachments for DK and 57 are those that make it easier to use use hybrid makes to extend the number of rounds per magazine and to make reloads faster trick draw brings up the sights of decay and 57 faster helping you when you get caught out by an enemy stock lets you move faster whilst aiming down the sights making you harder to hit to help you stay alive use the body armor which gives you a slight health increase on respawn use the concussion grenade to stun enemies before moving in and taking them out the best perks for DK and 57 are those that protect you and that you be aggressive use flak jacket to reduce damage taken from explosives use light weight to move faster and ghost to stay off enemy UAVs he is the complete best class setup for the KN 57

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