Call of Duty: Modern Warfare (Windows)

Call of Duty: Modern Warfare
Developers: Infinity Ward, High Moon Studios, Beenox, Raven Software Publisher: Activision Platform: Windows Released internationally: October 25, 2019 This game has unused animations. This game has unused areas. This game has unused playable characters. This game has hidden development-related text. This game has unused modes / minigames. This game has unused graphics. This game has unused cinematics. This game has unused items. This game has unused abilities. This game has unused sounds. This game has unused text. This game has regional differences.

This page is loooong... Consider grouping related content into additional subpages to ease readability.

Call of Duty: Modern Warfare sees the start of the franchise recycling game titles like they recycle game content.

To do: This post indicates that the Mini Map Watch can display "Map Unavailable". If there are no situations where the map is supposed to not appear, this should be added. This comment indicates the Time to Die Watch can sometimes show "unavailable". If it only appears due to a glitch, it should be added. Were these Dead Silence lines ever added? COD Wiki mentions here there is an unused placeholder vehicle model that also is placed far outside Atlas Superstore.

Sub-Pages

Leftover Images Leftover Images.

Unused Images Unused Images.

Unused Audio Unused Audio.

Unused Videos Cut/Unused Videos.

Unused Strings Unused Strings.

Unused Game Modes Unused Multiplayer Game Modes.

Unused or Early Operators Early and unused operators.

Unused Weapon Content Unused Weapon Content.

Regional Differences Content that was changed in other language versions of the game.

Easter Eggs

• On Hill, there is a tree a short distance outside the map that sometimes has a blue flame on it, a reference to the game "Alien vs. Predator".
• The Stim and M19 have a QR code on them that when scanned with a phone takes one to the Call of Duty Endowment website.
• On the Clean House campaign level, killing the baby on the second floor of the house three times in a row will cause on the third instance the mission failed text to read "Are you serious?" and boot the player to the main menu. A video of this can be seen here.

(Source: Reddit, Reddit)

Unused Multiplayer Maps

The game contains names and images of unused maps. One map has a description.

Map Name	Code name	Description (if any)	Notes
"Assault"	mp_assault
"Bomb Site"	mp_bomb_site
"Boneyard" (Gunfight map)	mp_m_boneyard
"Borderline"	mp_borderline
"Breakout"	mp_parkour		Leftover from Infinite Warfare.
"Crusher"	mp_quarry		Leftover from Infinite Warfare.
"Discharge" (Gunfight map)	mp_m_discharge
"Dominion"	mp_afghan		Leftover from Infinite Warfare.
"Exclusion Zone" (Gunfight map)	mp_m_exclusion
"Fallout"	mp_fallout	"Hidden Nuclear Facility in the Ukraine"
"Faridah"	mp_faridah		Map was shown in the reveal trailer.
"Firing Range"	mp_firingrange		Most likely a map used for testing weapons.
"Frontier"	mp_frontier		Leftover from Infinite Warfare.
"Frost"	mp_proto		Leftover from Infinite Warfare.
"Genesis"	mp_dome_iw		Leftover from Infinite Warfare.
"Grounded"	mp_desert		Leftover from Infinite Warfare.
"Hook" (Gunfight map)	mp_m_hook
"Invasion"	mp_invasion		This map was released in Modern Warfare III
"Mayday"	mp_breakneck		Leftover from Infinite Warfare.
"Millbase"	mp_millbase
"Oasis"	mp_oasis
"Offshore"	mp_offshore
"Precinct"	mp_metropolis		Leftover from Infinite Warfare.
"Retaliation"	mp_riot		Leftover from Infinite Warfare.
"Rivne"	mp_rivne
"Saindon"	mp_saindon_test
"Scorch"	mp_divide		Leftover from Infinite Warfare.
"Shattered"	mp_shattered
"Shipment Night"	mp_shipment_pm
"Skerries"	mp_skerries		V2 of this map was released as "Pelayo's Lighthouse" in Modern Warfare II
"Speedway"	mp_speedway		Only mentioned in escape mode.
"Subbase"	mp_subbase_lm
"Takedown"	mp_takedown
"Terminal"	mp_skyway		Leftover from Infinite Warfare.
"Theater" (Gunfight map)	mp_m_theater
"Townhouse" (Gunfight map)	mp_m_townhouse
"Trade"	mp_trade
"Vanguard"	mp_vanguard
"Piccadilly Day"			Images remain.

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  King Night loading screen

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  Exclusion Zone loading screen

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  Faridah in the reveal trailer

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  Faridah in the Making Call of Duty: Modern Warfare art book

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  Faridah vote preview

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  Faridah map select image

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  Faridah concept art

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  Faridah concept art

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  Picadilly Day image

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  Picadilly Day image

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  Picadilly Day concept art

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  Picadilly Day image

King Night

Codenamed "mp_m_king_pm," King Night was a map used by Infinity Ward to showcase Modern Warfare's RTX features. Although cut from the game, the map is present in the PlayStation 4 version.

Unused Map Areas

To do: Bazaar has other parts of the skybox that aren't seen. Video. Does Hovec Sawmill have something notable at the end of the train track? Karst River Quarry in the beta had an invisible floor underneath the map. Is it still in the final?

Euphrates Bridge has the following unused content, which can be seen in this video (2:04 - 2:21).

• There is a short untextured rectangular block underneath the map.
• There is an invisible floor under the map that ends at one boundary of the map.

Hackney Yard has the following unused content, which can be seen in this video (5:29 - 5:59).

• There is an invisible wall that runs between the middle of the train track, despite the fact it isn't possible to normally reach here.
• The inside of the boats have seats that cannot be seen.

Atlas Superstore has the following unused content, which can be seen in this video (4:00 - 6:00).

• The floor underneath the car park contains two irregular textures: a texture with different numbers on it placed directly below the car park, and a texture with numbers and the words "IN" and "OUT" on it placed further away from the first texture. The second texture appears to be a texture used to test normal maps.
• As this map is part of a Spec Ops map, the outside of the store contains a small part of Verdansk which has collision. As this is OOM (out of map), this area outside goes unused in multiplayer.
• Trivia: Atlas Superstore used to show the entire map of Verdansk, in low LOD. This was originally how people found out about the later released Warzone map, as you could go out of the top of the store in spectator mode, fly up, and see the whole map. This is now no longer possible as there is a thick fog plane that fades in when you reach a certain distance above the map.

Broadcast:

• Broadcast, similar to Atlas Superstore, is ripped straight from Verdansk, and as such contains a myriad of different interact-able parts of the environment.
• One of these interact-able parts of the environment is a tower, with a working ladder that can be climbed. There is also a petrol station that has interact-able doors that can be opened and closed.

On Mialstor Tank Factory, there is an invisible floor underneath the map, which can be seen in this video from 18:24 onward.

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  The test texture found under the map on Atlas Superstore

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  Car Park found out of the map on Atlas Superstore

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  Out of the map on Broadcast

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  A player stood on the tower out of the map on Broadcast

Unused Perks

Unused Weapon Perks

The game contains strings and code names for several unused Weapon Perks.

PerkName	Code name	Description (if any)	Notes
"Fast-Up"	ADSUP	Improved ADS Raise Speed.
"Bling"	BLING	1 Additional Attachment Slot.
"Dead On"	ADSIDLE	Improved ADS Idle Sway.
"Stance Training"	CROUCHRECOIL	Extra training provides greater accuracy in supported positions.
"Laser"	HIPAIM	Improved Hip Spread	Replaced with Laser attachment.
"Long-Range"	RANGE	Increase effective weapon range.
"RicoChet"	RICOCHET	Grants special ammunition that ricochets off of surfaces.
"Rapid Fire"	ROF	Improved Rate of Fire.
"Semi Auto"	SEMI	Changes fire mode to semi-automatic.
"Skulk"	STANCESPEED	Greater movement speed in crouch and prone while staying silent.
"Swapper"	FASTSWAP	Weapon Switch Speed.	Most likely replaced with the Amped perk.
"Bolt"	BOLT	Specialty Bolt with improved maneuverability for faster firing.
"Xmags"	XMAGS	Improved starting ammo.
"GLINTREDUCE"	Glintereduce	Reduces the angle at which enemies will see glint off of sniper scopes.
"Hardmelee"	hardmelee	Melee produces greater stun on targets.
"Enemytag"	enemytag	Damage will put enemies on the minimap and compass.
"Holdbreath"	holdbreath	Extended hold breath
"Flinch"	flinch	Increased control of aim while being shot.
"Rush"	AdsMove	After each kill, gain a brief boost to movement speed.
"Dexterity"	Dexterity	Training enables greater speed in combat.

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  Fast-Up

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  Bling

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  Dead On

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  Stance Training

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  Laser

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  Long-Range

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  RicoChet

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  Rapid Fire

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  Semi Auto

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  Skulk

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  Swapper

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  Bolt

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  Xmags

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  AdsMove

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  Dexterity

Unused Perks

The game contains several unused perks. Some perks have names while other only have a description string remaining.

REFERENCE	LANG_ENGLISH	Notes
Thief	Improved speed and distance on melee. Upon landing a successful melee attack, you will receive a copy of the victim's primary weapon.
br_thief	When you Harvest, generate 20% more cash.
Grenadier	Any throwable equipment you pick up has an extra use.
Sneaky	Your Footsteps are invisible, and enemies are not warned when you track them.
desc_br_artisan_tastes	Weapons you pick up have a chance to automatically upgrade.
desc_br_bounty_hunter	If you kill someone with more Perks than you, gain enough points to match them, and then you can replace this perk.	Audio remains.
desc_br_deep_pockets	Any usable equipment you pick up has an extra use.
desc_fastslide	Gain increased sliding distance and the ability to ADS while sliding while using less boost meter.
desc_powercell	Tacticals and Lethals refresh on cooldowns.
demolitions_desc	Carry an extra lethal equipment
desc_rugged_eqp	Placed equipment has more health, persists through death, and you can have 1 more active
desc_rush	After each kill, gain a brief boost to movement speed.
graverobber_desc	Scrap dropped guns to get extra attachments and ammo.^1 Cannot pick up dropped guns.	Audio remains.
sonar_desc	Always show the minimap.
Hunter	See enemy footprints for a short duration.	Audio remains.
mercenary_desc	Earn extra kills towards your killstreaks by killing enemies with bounties. Enemies get a bounty every time they kill three players in a life.
Stopping Power		Perk version of the Stopping Power Field Upgrade.
Momentum	Increase movement speed
Overclock	Payload charges faster.
Strong-Arm	Throw equipment farther, decrease the cook time of grenades and reset the fuse when throwing back explosives.
Stealth	Perks for enhanced stealth capabilities. Includes: Takedown, Blind Eye, Dead Silence, Incog, and Off the Grid.
Equipment	Perks for extra equipment and ammo. Includes: Extra Tactical, Extra Lethal, Fully Loaded, Extra Attachment, and Danger Close.

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  Graverobber

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  Bounty Hunter

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  Sonar

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  Momentum

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  Stopping Power

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Scrapped Pro Perks System

To do: Check if there are any other remnants of this system.

The game contains remnants of a scrapped Pro Perks system where perks could be upgraded to stronger versions, presumably through completing challenges as in other games, although the specific method is not known. Perks appear to start off at a level 1 version that can be upgraded to level 2 and then to Pro.

REFERENCE	LANG_ENGLISH	Notes
hardline_pro	Point Guard
spotter	Scout
desc_tracker_perk	See recent enemy trails, even when they are cloaked.
blastshield_pro	Tac Resist
scavenger_pro	Fully Loaded
overkill_pro	OverKill Pro
guerrilla_desc_extra	Still appear on killstreak radar when firing a weapon, Detectable by Advanced UAV, but removes direction.
desc_br_healer	Your medic items continue to heal for an additional 25% of their value over the next 20 seconds.
desc_momentum	Increase movement speed.
huntmaster_desc	Enemies leave behind a footprint trail. See markers at enemy death locations and hide the death markers of enemies you kill.	Same as Tracker perk.

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  Hardline I

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  Hardline II

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  Hardline Pro

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  Spotter I

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  Spotter Pro

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  Tracker I

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  Tracker II

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  Tracker Pro

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  blast_shield I

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  blast_shield II

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  blast_shield Pro

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  Scavenger I

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  Scavenger II

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  Scavenger Pro

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  Overkill I

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  Overkill II

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  Overkill Pro

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  Medic I

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  Medic II

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  Medic Pro

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  Momentum Pro

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  Huntmaster I

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  Ghost I

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  Ghost II

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  Ghost Pro

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  Pro Perks background

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  Pro Perks icon

Unused Equipment

The game contains some unused equipment, some of which appear to have been replaced with Field Upgrades.

EquipName	Description (if any)	Notes
"EMP"	Chaff Grenade	Audio remains and most likely replaced with a Field Upgrade.
"desc_equipment_ping"	Placed equipment will alert the player of nearby enemies on the minimap. Thrown equipment will paint enemy targets upon detonation.	Audio remains and most likely replaced with a Field Upgrade.
"Radiation"		Audio remains.

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  EMP

Unused Field Upgrades

The game contains remnants of unused Field Upgrades.

REFERENCE	LANG_ENGLISH	Notes
"Ammo drop"		Most likely replaced with munitions.
"place_ladder"	Ladder	In early builds of Modern Warfare, it was originally planned that the player could have a personal ladder Field Upgrade.
"Self-Revive"	Last stand with no weapon\n^3Field Upgrade^7: Heal your wounds from last stand and get back up	Video remains.
"Survivor"	Stay alive longer and earn killstreaks more easily.	Video remains.
"Demolitions"	Remotely detonate explosives. Have a blast shield. Place deployable cover.

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  Ammo drop icon

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  Last Stand icon

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  Another Last Stand icon

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  Another Ammo drop icon

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  Recreation of survivor icon

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  Ladder

Cut Killstreaks

Killstreak Name	Code name	Description (if any)	Notes
"Dead Man's streak"	death_switch	If I go down, I'm taking them with me!	Dead Man's was originally going to be an interactable killstreak.
"Emp Drone"	EMPDrone	Detonate an EMP payload at a targeted location using an RC Plane. Disables all electronics in the area.	Video remains.
"Fuel Airstrike"	Fuel Bomb Airstrike	Call in a series of fuel bomb airstrikes.\n^3Objective Score Cost:^2Low^7\n	Video remains.

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Unseen Multiplayer Content

• The gore when destroying an opposing player's head also has their eyeballs, which are impossible to normally see. This can be seen in this video (2:32 - 2:42).

Obscure Game Mechanics

To do: Can Care Packages be moved by shooting them? If they can, this should be added as it is unlikely to ever happen in-game.

Multiplayer contains some game mechanics that, while programmed to occur in-game, cannot be encountered or are so rare they essentially cannot be encountered.

Stun Grenade Destructibility

Teammates in core can destroy friendly Stun Grenades. A video of this can be seen here.

Riot Shield EXP

The Riot Shield has a certain damage threshold that when reached will not award any more EXP for further damage. This threshold is so high that it cannot be reached in a public match.

(Source: Youtube)

UAV Vehicle Damage

UAVs can damage helicopters that fly into them, although the specifics are not known. As can be seen in this video (2:26 - 2:39), the helicopter is slightly damaged by being hit by the front of the UAV, then upon flying into its mid body and being rammed by it, loses more than half its health and explodes. Deaths caused by this appear in the killfeed as a suicide. This cannot normally be encountered in-game as there are no situations where it could occur.

Cluster Strike Killstreak Targeting

While the game suggests the Cluster Strike laser can only target areas, it is also capable of targeting the the VTOL Jet and Support Helo even though they are a different class of game entity.

(Source: Youtube (4:48 - 5:44))

Juggernaut Game Mechanics

The Juggernaut has some unique game mechanics that go unnoticed for different reasons.

• The Juggernaut is able to perform executions. This can be seen in this video.
• The Juggernaut is immune to Ground War helicopter rotors. This can be seen here from 9:54 - 10:06. It isn't apparent whether this is a glitch.

Juggernaut Music

The Juggernaut has a unique detail where it is possible for the music played inside the Juggernaut to be heard by nearby players. While this feature does occur in-game, it is not possible for the music to be heard due to the audio level it is played at being so low and all the other sounds happening in a match drowning it out.

The Juggernaut also has third person animations for turning the music on and off, but these cannot be seen as they are too subtle to normally notice. Switching the music is done via the Juggernaut's right arm flipping a switch on the side of the helmet.

(Source: Youtube (0:00 - 0:29))

Dumpsters Blocking Fall Damage

Dumpsters in Ground War when fallen on completely block fall damage and only inflict a tiny amount of damage. While this feature is present in-game, there are no situations where it can normally be discovered.

(Source: Reddit)

Pre-Release Differences

The game contains an early loadscreen image of Rust. In the early image, the middle metal construction is more run down and has cables attached to it that are absent in the final.

Early	Final

Embassy

Early	Final

Rammaza

Early	Final

Early	Final

Early	Final

Early	Final

Early	Final

Early	Final

Season Name Changes

Originally, each season would have had its own unique name before being changed to just be numbered alone.

• Season 1 - "Broken Arrow Season"
• Season 2 - "Cyber Attack Season"
• Season 3 - "Bio Warfare Season"
• Season 4 - "Home Grown Terrorism Season"
• Season 5 - "Climate War Season"

Home Grown Terrorism was also seen in the Behind the Scenes video done by The Hollywood Reporter.

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  Home Grown Terrorism in the Behind the Scenes video

Cancelled Clan System

Some placeholder menu definitions remain from a planned Clan system to allow players to group together under a common name and emblem. You can access these menus via modding, but it's all placeholder text so don't expect too much.

Supply Drops

Assets remain from a planned "Supply Drop" lootbox system that had previously had its existence leaked in September 2019 by a source who had announced a number of later-confirmed details about the game, with glitches making its presence known in the public Beta. The system was ultimately replaced late in development with the Battle Pass system, likely to avoid legislative scrutiny in several countries.

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  Supply drop being unlocked in the beta.

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  Promo image.

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  Concept art for the RareSupply Drop

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  Supply Drop store (AI upscaled)

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  Common Supply Drop with a key next to it

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  Some promo art.

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  Render of a Rare Supply Drop.

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  Render of an Epic Supply Drop.

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  Render of a Legendary Supply Drop.

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  Render of a Common Supply Drop.

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  More promo art.

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  Concept art for the Common Supply Drop

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  Concept art for the RareSupply Drop

Default Bundle Price

The game contains a default bundle price of 30,000 COD Points that does not normally appear in-game, but can appear if there are problems loading bundle information, as seen here.

Unused Campaign Content

• Fog of War:
  • A building at the edge of the map that cannot be entered has a tile floor. It can be entered via a glitch, which is documented here.
  • In an inaccessible area beside this building, there are two burning objects that do not display properly. In the same area, there is also an invisible box.
• On "The Wolf's Den", firing bullets crazily around will trigger a unique Game Over message. While this can be triggered in-game, the criteria for encountering it is so obscure that it is virtually impossible to normally encounter. A video of this can be seen here.

Unseen Campaign Content

• On Piccadilly, as the team apprehend the bombers before they detonate the bomb, a civilian near the truck may pull out his phone and start filming, a detail that usually cannot be noticed. When the truck drives away, this same civilian's free arm will hesitate. This can be seen in this video starting at 0:20.

Obscure Failsafes

In some levels of the campaign, if the player fails to complete a designated task sometimes an event will happen that will complete the task for them. While most of these "failsafes" can normally be encountered, some normally cannot be encountered at all, often times because they are tied to a task that is virtually impossible to fail.

• On "Fog of War", if the player waits too long to call in the air strike, Hoyt will call it in for them. While this can be triggered in-game, the amount of time it takes is so long it is not possible to normally encounter it.

Early UI

Color Scheme

The game contains an unused image of an early UI mockup. This mockup appears to indicate that early in development the UI was going to be green colored like in Modern Warfare 3.

Different UI Layout

There is an unused image of the Private Match menu with a different UI layout. This UI probably originated from a Pre-Alpha build.

Development Text

SEASON_CONFIG:'[REDACTED]'
TAC_DBG: Undefined anticheat state
WARDEN_DBG: Benchmark CPU performance for delayed rogue loads
WARDEN_DBG: Initialize hooks
TAC_DBG: Hook detection initialization failed
PCDEV_GODMODE:'[REDACTED]'
TAC_DBG: Injector detection initialization failed
WARDEN_DBG: Memory session on sysid seeding failed. Check with Blizzard if that affects unpacking
LOOTBOXES_CONFIG:'[REDACTED]'
WARDEN_DBG: System bit tag triggered
MTX_CONFIG:'[REDACTED]'
WARDEN_DBG: Memory page unfolding failed
TAC_DBG: Undefined antidebug state
TAC_DBG: Cheat detection initialization failed
TAC_DBG: Anticheat initialization failed
WARDEN_DBG: Make sure the sysid is seeded for the memory session before we call Warden
WARDEN_DBG: Generating battle.net UID

Starting at 0x2D9AF80 in ModernWarfare.exe contains a few debug logs including bit.ly links that redirect to the Rickroll video, which have been removed on here. These are also present in the Black Ops Cold War Beta and Black Ops Cold War Pre-Alpha.

Oddities

• The Akimbo attachment erroneously indicates that it increases movement speed when it does not. This might suggest that this attachment did increase movement speed at some point in development but it was removed.
• Several FSS attachments originally identified the manufacturer as FFS. Given how widespread this discrepancy was, it appears this acronym corresponds to an early name for FSS that Infinity Ward forgot to remove from the game.
• The Lacedaemon bundle describes the "Kopis" JAK-12 blueprint as having dismemberment effects when it does not. This discrepancy suggests the blueprint had this effect at one point during development but it was removed and the description was not updated.
• Shoot House's code name, "mp_m_speed", has some unusual qualities.
  • The name seems to indicate it started out as a Gunfight map as it contains the "m" prefix used for all Gunfight maps.
  • The code name "speed" seems to suggest the map had a different design or setting at one point in development as it doesn't appear to correspond to the final map, which is set in a shoot house.
• On Fog of War, after Alex is knocked unconscious, when he regains consciousness the game saves the player's checkpoint, despite the player being unable to control their character or die for the rest of the level.
• On Piccadilly, prior to the van exploding the first encountered Al-Qatala fighter is labelled in the subtitles as "Al-Qatala Fighter 3" and the second fighter as "Al-Qatala Fighter 1". It is not apparent why they are not numbered in order of appearance.

(Source: TheXclusiveAce (2:14))

Weapon Naming Oddity

To do: Add the rest.

Weapon filenames refer to weapons by their real-world names, but are oddly written in the form of "<first letter of name><NATO phonetic alphabet code word corresponding to second letter><numbers>". It is not apparent why.

Weapon	Filename	Actual weapon	Notes
Kilo 141	ar_kilo433 (k433)	HK433
Oden	ar_asierra12 (as12)	ShAK-12 (previously called ASh-12.7)
FAL	ar_falima (fal)	FAL
M4A1	ar_mike4 (m4)	M4A1
AS VAL	ar_valpha (va)	AS Val
PP19 Bizon	sm_beta (b)	PP19 Bizon
Striker 45	sm_smgolf45 (smg45)	LWRCI SMG-45
Uzi	sm_uzulu (uz)	Uzi
Fennec	sm_victor (v)	Vector
MP7	sm_mpapa7 (mp7)	MP7
Origin 12 Shotgun	sh_oscar12 (o12)	Origin-12
AX-50	sn_alpha50 (a50)	Accuracy International AX50
JOKR	la_juliet (j)	FGM-148 JAVELIN

(Source: Actual weapon names from Call of Duty Wiki.)

Revisional Differences

To do: For the sections below, add the main content each patch introduced.

Version 1.03

To do: Get more images of launch day Damascus camo on different weapons, if possible.

Modern Warfare's launch update (Version 1.03) added several future season weapons into the game's files. These include but are not limited to: RAM-7 (with it's cut 9mm Para 60-round Drums Magazine), ISO (named SM_CHARLIE9), Striker 45 (named SM_SMGOLF45), Holger (named LM_MGOLF36), and the Crossbow.

(Source: CODSploitzLeaks Twitter)

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  Image of the Holger and RAM 7 in the Edit Loadout menu.

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  Image of the ISO in the Edit Loadout menu.

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  Image of the Striker 45 in the Edit Loadout menu.

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  Image of the 9mm Para 60-round Drums for the RAM-7 in the Gunsmith menu.

This update also contained a very visually different version of the Damascus camouflage. This version of the camouflage was more of a turquoise blue and black with patterns running through it on different parts of the weapon. Additionally, its coloring matches more closely to its UI Icon, which is currently still used in the game.

(Source: sebas44123 Twitter)

Damascus in launch update	Current Damascus

Damascus in launch update	Damascus UI icon

A knife with the old version of the Damascus camouflage applied

Version 1.19

This update was released on April 8th, 2020. The game contained at this point incomplete attachment data and a description for the unreleased and unnamed Bruen Mk9 LMG, along with possibly other data. The content currently in the game had the following differences from the final release:

• The description lacks the word "gun" in "machine gun".
• The Bruen 18.0" Para attachment lacked the name "Bruen" as the Bruen Mk9 had no name at this point.
• 150 Round Belt and 30 Round Mags are available ammunition attachments, which are unavailable in the final, while 60 Round Mags is not available.

(Source: MP1st, Reddit)

Version 1.21

To do: The Reddit post lists some other content that was added.

This update was released on May 19th, 2020. The following unreleased content was added:

• Adds attachments for the CR-56 AMAX. In this update, the XRK Zodiac S440 is called XRK Equinox S440.
• Adds attachments for the unreleased Fennec and attachment icons.
• Adds a name for the unreleased Rytec AMR and a suppressed firing sound. Prior to this, it only had a codename.

(Source: MP1st (release date), Reddit)