Doors have physics in Modern Warfare which means they can be opened and closed by pressing Square on PS4 and X on Xbox One, and they can be busted open by sprinting through them.This sprint only lasts a few seconds and is significantly faster than a standard sprint, but you should be wary when using it as you'll lose the ability to quickly aim down sights.Tactical Sprint can be enabled by pressing the sprint button twice.You can also lean and peak around corners by aiming down sights and pressing the melee button at the same time.You can mount almost every weapon in the game by pressing Circle on PS4 and B on Xbox One.The only way to build toward your Killstreak rewards such as UAVs and Cruise Missiles is to kill enemy players unless you have the Point Man perk unlocked at level 49 - this perk allows you to switch from the Killstreak system to the Pointstreak system.Killsteaks have returned in place of Scorestreaks.Almost every automatic weapon features a semi-automatic mode that can be activated by pressing left on the d-pad.This makes the sound emitted upon firing quieter and harder for your enemies to track down. Because of this new change, a silencer is no longer an attachment that conceals your position on the mini-map - instead, it is an attachment that simply silences your weapon.When an enemy fires a weapon, their location won't pop up anywhere on your mini-map (although their location will be somewhat revealed with a red dot on the compass at the top of your screen).
How to Play Best With Each Weapon Class.The Best Tips and Tricks to Defeat Your Enemies in Modern Warfare's Four New Modes.