MW4 equipment and combat mechanics

Modern Warfare 4 runs on the modern era’s mechanics, carried forward from Black Ops III through Modern Warfare III. The Gunsmith is confirmed for MW4; the rest of the systems below are the series versions that MW4 inherits.

The Gunsmith

The Gunsmith is confirmed for Modern Warfare 4. It has been a feature since Black Ops III and is present in Modern Warfare, Modern Warfare Mobile, Black Ops Cold War, Vanguard, Modern Warfare II, Modern Warfare III, Black Ops 6 and Black Ops 7.

What it does:

• Lets you customize, view and build out weapons with precision.
• Allows selecting multiple attachments and optics on one weapon.
• Supports naming your weapon — you can rename it from the actual gun name to anything.

In Black Ops III, where it debuted, the Gunsmith let players outfit a gun with five attachments including an optical attachment and paintjobs. Most attachments had four to five cosmetic variants each. Players could also make custom camos for the top and sides of weapons with up to 64 layers, similarly to the emblem creator, and inspect weapons in full 3D.

Why it matters more than it sounds: a build is a combination of attachment slots, not a single pick. Two players with the same base weapon are not using the same weapon. A maxed-out build and a stock build trade different amounts of recoil control, mobility and ADS speed — so a “best weapon” is meaningless without stating the build. See the Gunsmith and weapons page for the MW4 weapon list.

Armor Plates

Armor Plates — also called Armor Shards — are a utility carried across Black Ops 4, Warzone, Modern Warfare Mobile, Warzone 2.0, Warzone Mobile and Black Ops 7, plus the campaigns of Modern Warfare II, Modern Warfare III and Black Ops 6, and the Zombies modes of Black Ops Cold War, Vanguard, Modern Warfare III, Black Ops 6 and Black Ops 7.

How they work:

• In Warzone and Warzone 2.0, Armor Plates give the player an extra 150 health on top of normal health.
• They are found in loot crates and ground loot, or bought at a Buy Station — five plates for $1,500, or an Armor Box for $4,000 in Warzone.
• An Armor Satchel lets a player carry a maximum of eight plates.
• In Black Ops Cold War Armor Plates are also a Scorestreak; in Vanguard they are a Field Upgrade.

Why the 8-plate cap matters: a satchel is a meaningful choice, not free capacity. Carrying eight plates means giving up a slot for something else, and in Warzone 2.0 a full plate count is often worth less than the mobility and cover that the extra slot would buy.

MW4’s campaign carries the same system as Modern Warfare II and Modern Warfare III, and DMZ inherits it through the Warzone 2.0 integration — which is the reason DMZ runs on the same armor economy rather than a separate one.

Iron sights

Iron sights are the shaped alignment markers included on all portable guns in the Call of Duty series, with exceptions.

The core trade-offs:

• Iron sights are vital at long range — “hipfiring” is inaccurate at most ranges greater than about ten to twenty-five yards.
• At very close range, aiming down the sights can be impractical: bringing the sights up takes typically .15 to .50 seconds depending on the weapon, and a hipfire could already have killed the enemy and denied them the chance to fire back.
• While ADS, walking and turning speed is reduced — moving while aiming is much slower than moving while not. Handguns, SMGs and shotguns do not restrict walking speed while ADS.
• While walking while ADS, footsteps become quieter, as if the player were crouching or using Dead Silence/Ninja.
• The one accuracy exception: in Modern Warfare 3 the shotguns are just as accurate hipfiring as ADS.

That .15 to .50 second window is the entire reason MW4’s close-range combat reads differently from its long-range combat, and it is why a build’s ADS speed stat matters as much as its damage number.

Night vision goggles

Night vision goggles — also known as NOD (Night Observation Device) — let the player see in little to no light.

In Call of Duty 4: Modern Warfare they are the AN/PVS-7B, available in many campaign levels and always available in multiplayer. In the campaign they can be used with the AN/PEQ-2A laser to see a visible path a bullet will take, which helps accuracy — but not for a second bullet fired from the hip, because recoil throws it off the visible path. Bullets may still fly anywhere within the crosshairs.

The trade-off: in a dark environment they give a large advantage, but they are bulky and cut down peripheral vision. Light flashes from firearms and flares are more powerful and disorientating while wearing them. In broad daylight it becomes almost impossible to see through them.

MW4’s campaign includes SAS night raids in Mumbai and DMZ runs that happen in darkness, which is where this equipment stops being a curiosity.

Other carried systems

Flare is worth a specific mention: it is listed among Phillip Graves’ personal equipment, and it is the item that makes a night-vision operation survivable in DMZ.

What is not confirmed

MW4’s exact equipment list, perk names and values, scorestreak and field upgrade rosters, and any new mechanic introduced for the game are not published. The table above distinguishes the systems confirmed for MW4 from the series systems MW4 is expected to carry, and this page does not invent values for any of them.

Browse this wiki

Weapons · Maps · Operators · DMZ · Game modes · Campaign