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M4A1 - Best Loadout & Attachments
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M4A1 - Best Loadout & Attachments

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Check Out M4A1 Assault Rifle in Call of Duty: Modern Warfare & COD Warzone! Find info about the Warzone / Modern Warfare best loadout, attachments, how To unlock, & setup for M4A1.

Table of Contents

Best Weapon & Best Loadout Articles

Read How To Inspect Weapons Here!

M4A1 - Stats & How To Unlock

M4A1 Assault Rifle Basic Information

M4A1 Assault Rifle Basic Information
Weapon TypeAssault Rifle
Weapon FeatureFully automatic, all purpose battle rifle. Control your shots, and this weapon can be very effective at range.
Unlock Level1

Depending on weapon unlock level, you may need to firstly level up to unlock the weapon.

Check Out How To Level Up Faster!

M4A1 Stats

M4A1 Assault Rifle Basic Information
Check Out All Assault Rifles Here

M4A1 - Warzone Best Loadout & Attachment Setup

Primary M4A1
Secondary .357, .50 GS or Renetti
Lethal Semtex or Thermite
Tactical Flash Grenade or Stim
Perk 1 Kill Chain
Perk 2High Alert Perk
Perk 3 Spotter
Check Out Other Warzone Best Loadouts Here

Balanced Early-Rank Loadout For Mobile Offensive

If you don't like lugging around a LMG, try M4A1 instead. They are maneuverable early-rank weapons that can be modified to be effective at most ranges and situations, letting you be more aggressive and mobile.

Consider Extended Mags Attachments

Due to the new Body Armor mechanics and having to fight whole teams, having a larger magazine size is highly beneficial. M4A1 comes with 50 or 60 round magazine attachments.

All Attachments List

Track Down Supply Boxes For Killstreaks

As you'll be on the move a lot, you can hunt down a lot of Supply Boxes scattered across the map. The Kill Chain perk lets you grab more killstreaks for use against hard targets to get ahead.

All Killstreaks List

Choose Renetti For Easier Control

renetti

If you have a hard time controlling the big recoils of .357 & .50 GS, pick Renetti as your sidearm instead. It has very good handing and decent range for a handgun to be effective as a backup weapon. Renetti was introduced in season 3.

Season 3 Battle Pass Guide

Attachment Setup For M4A1

Balanced Setup

AttachmentReason
No StockNo Stock The easy handling of M4A1 negates a lot of the downside of this attachment
Corvus Custom MarksmanCorvus Custom Marksman Extends range for the longer engagement in Warzone
50 Round Mags50 Round Mags Larger Mag size to wipe teams easier
Stippled Grip Tape (Rear Grip)Stippled Grip Tape (Rear Grip) Faster ADS speed for better target acquisition
Merc ForegripMerc Foregrip Better recoil control for hitting targets at longer ranges. Swap with an optic if needed.

Easy To Use All-Rounder

This setup balances range, mobility, and ADS speed into 1 package, letting players zoom in fast and shoot with decent accuracy due to enhanced recoil control. It is an easy to use setup that should work fine no matter the situation.

▲Back To Table Of Contents

M4A1 - Modern Warfare Best Loadout & Attachment Setup

PrimaryM4A1
Secondary 1911, swap to Renetti when unlocked
LethalFrag Grenade or Molotov Cocktail
TacticalFlash Grenade
Perk 1Double Time
Perk 2Hardline
Perk 3Tune Up until Shrapnel
Check Out Other MW Best Loadouts Here

All You Need To Start Gunning

This build contains everything you need to start learning the ropes of being a deadly rifleman. A versatile and easy to use rifle? Check. A perk to boost your mobility and grenades? Check. You will also be able to control the flow of the fight via killstreaks!

Can Be Assembled Early

All you need to do is reach a maximum of Rank 13 to fully assemble the loadout. This can be done in approximately 90 minutes of multiplayer gameplay.

Switch To Renetti When Unlocked

Switch To Renetti When Unlocked

Renetti is a very easy to use handgun introduced in Season 3. It has good handling and control so swap it out once you unlocked it while progressing the season 3 battle pass.

Check out Season 3 Battle Pass Guide here!

2 Lethal Items At your Disposal

Throw a Molotov when in doubt! The Shrapnel perk lets you carry 2 lethal equipment, allowing you to use them more freely. Throw Molotovs at objectives or through windows to damage unsuspecting enemies!

Find All Lethal List here!

Get Intel Constantly With Hardline & UAV

Get Intel Constantly With Hardline & UAV

Hardline Perk reduces the killstreak cost by 1, meaning you'll get Personal Radar fast with 2 kills, and a UAV with 3 kills. They will give enemy positions to you on the minimap, helping you and the whole team!

Check out All Perk Guide here!▲Back To Table Of Contents

Attachment Setup For M4A1

Stealth Rush Setup

AttachmentReason
No StockNo Stock The easy handling of M4A1 negates a lot of the downside of this attachment
FSS 12.4 PredatorFSS 12.4 Predator Faster ADS speed & built-in suppressor to keep you off radar
Stippled Grip Tape (Rear Grip)Stippled Grip Tape (Rear Grip) Faster ADS speed for better target acquisition
Merc ForegripMerc Foregrip Better recoil control for hitting targets at longer ranges

Run Around & Aim Down Sights Fast

This setup features more mobility and fast ADS speed so you can engage targets fast. It has a bit more recoil so is more effective in the smaller Modern Warfare maps with close-range engagements.

Pair With Stealth Loadouts

With a built-in suppressor, you'll stay off the map when shooting. You can achieve max stealth with this setup if you mix-match other perks like Ghost to completely stay off radar.

▲Back To Table Of Contents

M4A1 - Compatible Attachments For Setup

Muzzle

AttachmentEffect &
Unlock Requirements
Flash Guard【Effects】
+ Muzzle Flash Concealment
(5)
【Unlock Requirements】
Level 2
Breacher Device【Effects】
+ Melee Damage
- Aim Down Sight Speed
- Aim Walking Steadiness
【Unlock Requirements】
Level 10
Tactical Suppressor【Effects】
+ Sound Suppression
- Aim Down Sight Speed
- Aiming Walking Steadiness
【Unlock Requirements】
Level 12
Muzzle Brake【Effects】
+ Recoil Stabilization
- Aim Down Sight Speed
- Aiming Stability
【Unlock Requirements】
Level 18
Lightweight Suppressor【Effects】
+ Sound Suppression
- Damage Range
【Unlock Requirements】
Level 37
Compensator【Effects】
+ Recoil Control
- Aim Down Sight Speed
- Aiming Stability
【Unlock Requirements】
Level 43
Monolithic Suppressor【Effects】
+ Sound Suppression
+ Damage Range
- Aim Down Sight Speed
- Aiming Walking Steadiness
【Unlock Requirements】
Level 58

Barrel

AttachmentEffect &
Unlock Requirements
FSS 11.5 Commando【Effects】
+ Aim Down Sight Speed
+ Movement Speed
- Bullet Velocity
- Recoil Control
【Unlock Requirements】
Level 9
Stock M16 Grenadier【Effects】
+Damage Range
+ Bullet Velocity
+ Recoil Control
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 36
FSS 14.5 Tac Lite【Effects】
+ Aim Down Sight Speed
- Bullet Velocity
【Unlock Requirements】
Level 52
Corvus Custom Marksman【Effects】
+ Damage Range
+ Bullet Velocity
+Recoil Control
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 59
FSS 12.4 Predator【Effects】
+ Sound Suppression
+ Aim Down Sight Speed
- Bullet Velocity
【Unlock Requirements】
Level 70

Laser

AttachmentEffect &
Unlock Requirements
1mW Laser【Effects】
+ Hip Fire Accuracy

【Unlock Requirements】
Level 30
5mW Laser【Effects】
+ Hip Fire Accuracy
+ Sprint to Fire Speed
- Laser Visible to Enemies
【Unlock Requirements】
Level 41
Tac Laser【Effects】
+ Aim Down Sight Speed
+ Aiming Stability
+ Aim Walking Steadiness
- Laser Visible to Enemies
【Unlock Requirements】
Level 54

Optic

AttachmentEffect &
Unlock Requirements
Cronen LP945 Mini Reflex【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 3
Corp Combat Holo Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 5
Operator Reflex Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 7
Scout Combat Optic【Effects】
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 11
4.0x Flip Hybrid【Effects】
+ Holo & Scout Toggle
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 15
Aim-Op Reflex Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 19
APX5 Holographic Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 23
Integral Hybrid【Effects】
+ Reflex & Scout Toggle
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 27
Solozero NVG Enhanced【Effects】
+Thermal Target Identification
+Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 29
VLK 3.0x Optic【Effects】
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 33
Sniper Scope【Effects】
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 38
Viper Reflex Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 44
G.I. Mini Reflex【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 47
PBX Holo 7 Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 49
Cronen C480 Pro Optic【Effects】
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 51
Monocle Reflex Sight【Effects】
+ Precision Sight Picture
- Aim Down Sight Speed
【Unlock Requirements】
Level 55
Variable Zoom Scope【Effects】
+ Zoom Level
+ Magnification Toggle
- Aim Down Sight Speed
【Unlock Requirements】
Level 62
Canted Hybrid【Effects】
+ Reflex & Scout Toggle
+ Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 65
Merc Thermal Optic【Effects】
+Thermal Target Identification
+Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 66
Thermal Hybrid【Effects】
+Reflex & Thermal Toggle
+Zoom Level
- Aim Down Sight Speed
【Unlock Requirements】
Level 68

Stock

AttachmentEffect &
Unlock Requirements
M-16 Stock【Effects】


【Unlock Requirements】
TBD
Singuard Arms Invader【Effects】
+ Aim Walking Movement Speed
- Aiming Stability
【Unlock Requirements】
Level 28
No Stock【Effects】
+ Movement Speed
+ Aim Down Sight Speed
- Aiming Stability
-Recoil Control
【Unlock Requirements】
Level 53
Forge TAC CQS【Effects】
+ Aim Down Sight Speed
- Aiming Stability
【Unlock Requirements】
Level 64

Underbarrel

AttachmentEffect &
Unlock Requirements
Commando Foregrip【Effects】
+Recoil Stabilization
+ Aiming Stability
- Movement Speed
【Unlock Requirements】
Level 4
M203 40mm High-explosive【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 8
M203 40mm Incendiary【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 14
12 Gauge Deputy【Effects】
+ Underbarrel Shotgun
- Aim Down Sight Speed
【Unlock Requirements】
Level 17
Merc Foregrip【Effects】
+Recoil Control
+ Hip Fire Accuracy
- Aim Walking Movement Speed
- Aim Down Sight Speed
【Unlock Requirements】
Level 20
M203 40mm Smokescreen【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 25
Tactical Foregrip【Effects】
+ Aiming Stability
- Movement Speed
【Unlock Requirements】
Level 31
M203 40mm Recon【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 34
Bipod【Effects】
+ Crouch/Prone Recoil Control

【Unlock Requirements】
Level 46
M203 40mm Flash【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 56
Ranger Foregrip【Effects】
+Recoil Control
+ Aiming Stability
- Aim Walking Movement Speed
- Aim Down Sight Speed
【Unlock Requirements】
Level 61
M203 40mm Concussive【Effects】
+ Underbarrel Grenade Launcher
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 67
Operator Foregrip【Effects】
+Recoil Control
- Aim Down Sight Speed
【Unlock Requirements】
Level 69

Magazine

AttachmentEffect &
Unlock Requirements
50 Round Mags【Effects】
+ Magazine Ammo Capacity
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 24
60 Round Mags【Effects】
+ Magazine Ammo Capacity
- Aim Down Sight Speed
- Movement Speed
【Unlock Requirements】
Level 39
9mm Para 32-Round Mags【Effects】
+ Fire rate
+ Recoil Control
- Damage
- Damage Range
【Unlock Requirements】
Level 48
.458 SOCOM 10-Round Mags【Effects】
+ Damage
+ Range
- Fire Rate
- Recoil Control
- Magazine Ammo Capacity
【Unlock Requirements】
Level 63

Rear Grip

AttachmentEffect &
Unlock Requirements
Granulated Grip Tape (Rear Grip)【Effects】
+ Aiming Stability
+ Aim Walking Steadiness
- Aim Walking Movement Speed
【Unlock Requirements】
Level 22
Rubberized Grip Tape (Rear Grip)【Effects】
+Recoil Control
- Aiming Stability
【Unlock Requirements】
Level 40
Stippled Grip Tape (Rear Grip)【Effects】
+ Aim Down Sight Speed
+ Sprint to Fire Speed
- Aiming Stability
【Unlock Requirements】
Level 60

Perk

AttachmentEffect &
Unlock Requirements
FMJ【Effects】
+ Bullet Penetration

【Unlock Requirements】
Level 6
Sleight of Hand【Effects】
+ Reload Quickness

【Unlock Requirements】
Level 13
Frangible - Wounding【Effects】
+ Inflict Wounding Effect

【Unlock Requirements】
Level 21
Heavy Hitter【Effects】
+ Melee Stun Power

【Unlock Requirements】
Level 26
Fully Loaded【Effects】
+ Max Starting Ammo

【Unlock Requirements】
Level 32
Burst【Effects】
+ Burst Fire Toggle

【Unlock Requirements】
Level 35
Recon【Effects】
+ Enemy Nameplate Range

【Unlock Requirements】
Level 42
Mo' Money【Effects】
+ Headshot XP

【Unlock Requirements】
Level 45
Fast Melee【Effects】
+ Melee Quickness

【Unlock Requirements】
Level 50
Frangible - Disabling【Effects】
+ Crippling Power

【Unlock Requirements】
Level 57
Presence of Mind【Effects】
+ Focus

【Unlock Requirements】
Level 71
Check Out All Attachments List Here▲Back To Table Of Contents

M4A1 Traits

Weapon Traits

Accurate & Easy To Control

The M4A1 is capable of continuously connecting shots even when in full-auto mode thanks to its high accuracy and control. It is effective even at longer ranges giving the M4A1 an edge in larger maps.

Good Fire Rate

M4A1 has a decent fire rate that can keep up with most other weapons. It also has the accuracy to connect these shots with the target.

Warzone & Modern Warfare Latest Updates

Season 5 Update Is Here

Season 5
Click Here For Season 5 Reloaded Update Details

Featured Guides

All New Weapons & Equipment

All New Weapons & Equipment

In the Season 5 update, two new ranged weapons, the AN94 AR and ISO SMG have entered the arsenal. A new melee weapon is also up for use if you can unlock it. As part of the Season 5 Update later on, an classified weapon will be joining the rank soon as well!

New Weapons & Equipment

▲Back To Table Of Contents

Bunkers Hiding Loot

Bunker Warzone

A number of Bunkers around Verdansk can be found and entered. But what secrets do they contain inside? Better weapons? Or death traps to those that try to open them?

Featured Guides

Access Bunkers With Red Access Cards

To crack in a bunker, you'll need a Red Keycard mostly found in Legendary Crates. You can also loot them from dead players that have them, making it a interesting turn of events if you do find one.

Check out Red Keycard guide here!

New Operators: Lerch, Velikan & Morte!

New Operators Lerch, Velikan & Morte

A new faction: Shadow Company is dropping in on Season 5! These include operators like Lerch, Velikan & Morte whom are fiercely independent in their pursuit of the team's agendas.

New Operators

Velikan Lerch
Morte -
▲Back To Table Of Contents

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Anonymous 1

Omg! All I want are basic stats! ADS speed, sprintout, etc! THIS PAGE IS SO F*CKING CONFUSING!

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