The M4 assault rifle is that best friend that has been with you since the beginning, and while you may not talk as much anymore, whenever you hang out again, it's like you never stopped. This weapon and its receiver variants are unlocked from the start and provide a number of offerings for you to enjoy out of the gate. It's a solid weapon and serves as a wonderful jumping-off point.
Receiver
Think of the receiver as a variant of the weapon that can use the same attachments between each other. Swapping receivers is, in essence, an easy way to carry over a weapon build from one gun to the other without having to reapply all your attachments.
Name | Description | Unlock Criteria |
| M4 | The flagship rifle of the M4 platform. This reliable workhorse is a jack-of-all-trades that performs well in most combat scenarios | Unlocked by default |
| M16 | Tuned for mid to long-range engagements, the M16 features a 3-round burst rifle that has increased range and stability | Unlocked by default |
| 556 Icarus | The 556 Icarus is a lightweight squad-support weapon in the M4 platform. Increased ammo capacity does not significantly impact mobility | Unlocked by default |
| FTAC Recon | A high-powered .458 Battle Rifle that delivers severe damage at medium range | Unlocked by default |
| FSS Hurricane | The FSS Huricanee sacrifices range and stopping power for increased ammo capacity and enhanced stability | Unlocked by default |
Magazine
The magazine is one of the most straightforward attachments to understand. Larger capacity magazines mean more bullets to shoot your opponents with, but typically at the expense of your overall speed in various areas.
| Name | Description | Unlock Criteria | Pros | Cons |
| 45 Round Mag | A mid-capacity 45-round magazine of 5.56 ammunition | Unlocked by default | Magazine ammo capacity | movement speed, aim down sight speed, reload quickness, sprint to fire speed |
| 60 Round Mag | A high-capacity magazine that holds 60 rounds of 5.56 ammunition | Unlocked by default | Magazine ammo capacity | movement speed, aim down sight speed, reload quickness, sprint to fire speed |
Ammunition
The various ammunition types in Modern Warfare 2 provide players with ways to not only deal additional damage to enemies and vehicles but also debilitate them with various effects, such as reducing their opponent's ability to sprint or slow their healing.
| Name | Description | Unlock Criteria | Pros | Cons |
| 5.56 Frangible | Frangible rounds shatter on impact, which temprarily delays healing | Get the Lachmann-556 to level 8 | Inflicting wounding effect | bullet penetration, damage range |
| 5.56 Armor Piercing | A tungsten penetrator passes through armor and causes more damage to vehicles | Get the M4 to level 9 | Bullete penetration, vehicle damage | Bullet velocity |
| 5.56 Overpressured +P | Suppress and control with hotter rounds that afflict the target with increased flinch | Get the TAQ-56 to level 2 | Target flinch | Recoil control |
| 5.56 High velocity | Tapered rounds designed to increase projectile velocity | Get the STB 556 to level 7 | Bullet velocity | Damage range |
Underbarrel
At the expense of being able to aim as fast, underbarrel attachments' will improve the weapon's stability when shooting, assisting with accuracy and keeping the gun from swaying too far from where you are aiming. This attachment slot can also provide you additional weapons to use while the weapon is equipped!
| Name | Description | Unlock Criteria | Pros | Cons |
| FSS Sharkfin 90 | Well-rounded angled foregrip for those who prefer accuracy while on the move | Unlocked by default | Aiming idle stability | --- |
| VX Pineapple | A heavy grip with grooves for better handling. Keeps weapon on target both when aiming and taking quick shots from the hip | Unlocked by default | Hip fire accuracy, hip recoil control, recoil steadiness, aim walk steadiness | Hip walking speed, aim down sight speed |
| SPW 40mm | A single-action, underbarrel launchher from Cronen that fires 40mm anti-personal grenades | Unlocked by default | Underbarrel grenade launcher | Aim down sight speed, movement speed |
| Edge-47 Grip | Maximum recoil stability helps your shots stay on target during sustained fire | ??? | Aiming idle stability, recoil stabilization | Aim down sight speed, movement speed |
| Demo Firm Grip | A large, textured grip designed for excellent recoil mitigation and a steady aiming for fast target acquistion | Get the Lockwood mk2 to level 9 | Aiming idle stability, hip fire accuracy, recoil stabilization | Aim down sight speed, walking speed |
| Xten Gravedigger | A skeletonized foregrip designed for maneueverability and accurate hip-fire shots | Get the Signal 50 to level 9 | Aiming idle stability, hip fire accuracy, recoil stabilization | Aim down sight speed, walking speed |
| Merc Foregrip | A long foregrip with exception vertical recoil control from consistent shots | Get the TAQ-V to level 6 | Hip fire accuracy, reccoild steadiness, hip recoil control, aim walking steadiness | Hip walking speed, aim down sight speed |
| Lockgrip Precision-40 | Phenomenal vertical recoil control for operators who take their time and pick their targets | Get the Lachmann Sub to level 9 | Hip fire accuracy, recoil steadiness, aim walking steadiness | Aim down sight speed |
| Hex-40 Grip | A comfortable foregrip that enhances hip fire control, reduces gun kick, and improves walking steadiness. Reduces some speed | ??? | Hip fire accuracy, recoil steadiness, aim walking steadiness, hip recoil control | Aim down sight speed, hip walking speed |
| Schlager Tango | High-quality materials and construction for a foregrip that helps control kick and hip fire accuracy | Get the Kastov 762 to level 7 | Hip fire accuracy, aim walking steadiness, recoil steadiness | Aim down sight speed |
| OP-X9 Foregrip | A tactical grip that provides recoil and kick control while enhancing hip-fire | Get the EBR-14 to level 6 | Hip fire accuracy, aim walking steadiness, recoil steadiness, hip recoil control | Hip walking speed, aim down sight speed |
| Operator Foregrip | Practice close-range tactics with increased hip-fire recoil control and accuracy | Get the PDSW 528 to level 16 | Hip fire accruacy, aim walking steadiness, hip recoil control | Hip walking speed |
| TV Wrecker Grip | An all-around stable vertical grip for fast target acquisition and hip-fire kills | Get the HCR 56 to level 10 | Hip fire accuracy, aim walking steadiness | --- |
| Bruen Tilt Grip | Superior recoil control when firing from the hip gives the upper hand in guerilla tactics | Get the TAQ-56 to level 13 | Hip fire accuracy, hip recoil control, aim walking steadiness | Hip walking speed |
| Cronen Grooveshot Grip | A heavyweight foregrip that gives maximum hip fire recoil control when there is not time to aim | Get the Bryson 800 to level 7 | Hip fire accuracy, hip recoil control, aim walking steadiness | Hip walking speed |
| Bruen Warrior Grip | Take superior kick control and increased hip-fire accuracy into battle with this foregrip from Bruen | ??? | Hip fire accuracy, hip recoil control, aim walking steadiness, recoil steadiness | Hip walking speed, aim down sight speed |
| Bipod V9 Grip | Hybrid bipod and grip for reduced recoil when mounted prone and on horizontal surfaces. Added weight slightly slows down aiming speed | Get the TAQ-V to level 19 | Bipod mount, recoil steadiness | Aim down sight speed |
| Level Aim Bipod | Mount up and land your shots. This bipod stabilizes your shots for long-range kills with a slight decrease to aiming speed | Get the SP-R 208 to level 8 | Bipod mount | Aim down sight speed |
| Cornerstone Bipod | Stabilize your weapon when mounted on horizontal surfaces or prone. Added weight slows down movement speed when aiming | Get the MCPR-300 to level 19 | Bipod mount | Aim walking moving speed |
| XTEN Stable Shot | Deploy this bipod when prone or against a horizontal surface for a secure firing position. Weight and size decrease sprint speed | Get the Victus XMR to level 6 | Bipod mount | Spint speed |
| Corvus Masterkey | Breach and clear tight spaces with this 12 gauge under-barrel shotgun | Get the Kastov 545 to level 18 | Underbarrel shotgun | Aim down sight speed |
Muzzle
Guns are loud and can be very bright, the muzzle attachment looks to address these shortcomings. At the expense of things like range or your range, muzzle attachments and make your shots nearly silent, or reduce your visibility while firing, helping to keep you from enemies' radar.
| Name | Description | Unlock Criteria | Pros | Cons |
| Echoline GS-X | Reduce your weapon's sound signature and keep your position concealed for covert operations | Unlocked by default | Sound Supression, recoil smoothness | Damage range |
| FTAC Castle Comp | Keep your recoil under control and stay on targe with this Forge Tac compensator | Unlocked by default | Horizontal recoil control, vertical recoil control | Aim down sight speed, aiming stability |
| C400 Door Knocker | This breacher muzzle brake gives the edge in close-quarters combat with increased melee damage | Unlocked by default | Melee damage | Aim down sight speed |
| Corvus Slashh Gen. 2 | A sleek Corvus Defense flash hider that offers decent recoil control at thhe expense of some handling | Get the TAQ-56 to level 5 | Muzzle flash concealment, recoil steadiness | Aim down sight speed, aiming stability |
| Dark KX30 | A muzzle device from Cronen that enhhances recoil control and hides muzzle flash | Get the STB 556 to level 15 | Muzzle flash concealment, recoil stabilization | Aim down sight speed, aiming stability |
| VLK Koloss Flash Hider | This VLK flash hider offers some recoil control with a slight decrease to handling | Get the Kastov 545 to level 16 | Muzzle flash concealment, recoil steadiness, recoil stabilization | Aim down sight speed, aiming stability |
| Broadhhead-3DP | Bruen's 3D-printed Inconel suprressor offers silky smooth recoil and accuracy at the cost of speed | Get the Lachmann-556 to level 6 | Sound supression, recoil smoothness, recoil control | Aim down sight speed, damage range, aim walking speed, aiming stability |
| Silentfire XG6 | Keep a low but deadly profile and hide your location with this suprresor | ??? | Sound supression, bullet velocity, recoil smoothness, recoil control | Aim down sight speed, aim walking speed, aiming stability |
| Harbinger D20 | A tactical suppressor with heat cover. Shots stay quiet and do more damage while recoil is smoother. | Get the STB 556 to level 18 | Sound suppression, bullet velocity, damage range, recoil smoothness | Aim down sight speed, aiming stability, aim walking speed |
| Echoless-80 | Increased range, damage, and bullet velocity in a silent package. Smoother recoil, but slower to aim | Get the TAQ-56 to level 14 | Sound suppression, bullet velocity, damage range, recoil smoothness | Aim down sight speed, aiming stability |
| FSS Covert V | Silent shots with increased range and bullet velocity and a slight decrease in stability | Get the HCR56 to level 13 | Sound suppression, bullet velocity, damage range, recoil smoothness | Aim down sight speed, aiming stability |
| Gauge-9 Mono | A heavy silencer designed for superior sound suppression for quiet kills. Helps with recoil control but slows weapon handling | Get the Kastov-74u to level 17 | Sound suppression, bullet velocity, recoil smoothness, recoil control | Aim down sight speed, aiming stability, aim walking speed, damage range |
| RF Crown 50 | A compensator that balances recoil with a slight focus on horizontal control | Get the TAQ-56 to level 16 | Horizontal recoil control, vertical recoil control | Aim down sight speed, aiming stability |
| Komodo Heavy | A compact muzzle device that helps mitigate recoil for a more controlled weapon | Get the Lachmann-556 to level 18 | Horizontal recoil control | Aim down sight speed, aiming stability |
| XTEN Ported 290 | An XTen compensator that dramatically reduces vertical recoil | Get the HCR 56 to level 16 | Vertical recoil control | Aim down sight speed, aiming stability |
| Cronen OP44 | This well-rounded hybrid device offers exceptional vertical recoil control and some horizontal control | ??? | Vertical recoil control, horizontal recoil control | Aim down sight speed, aiming stability |
| XTen Havoc 90 | This muzzle brakee provides superior horizontal recoil control | Get the Kastov 545 to level 8 | Horizontal recoil control, vertical recoil control | Aim down sight speed, aiming stability |
| Sakin Tread-40 | A heavy compensator that helps keep your muzzle on-target for follow up shots | Get the STB 556 to level 4 | Horizontal recoil control, vertical recoil control | Aim down sight speed, aiming stability |
Barrel
If your looking for some improved range and accuracy you should take a look at a gun's barrel options. The longer barrels will offer increased range and accuracy at the expense of aspects like your movement or aiming speed, while the inverse lets you move and aim faster at the expense of range and accuracy.
| Name | Description | Unlock Criteria | Pros | Cons |
| 14" Carbine Shroud | A heavier, no-frills barrel with an aluminum heat shield | Unlocked by default | Recoil control, bullet velocity | Movement speed, aim down sight speed |
| 7.5" Tempus Firebrand | Move quick and strike fast with Temups Armament's shortest barrel | Unlocked by default | Aim down sight speed, movement speed, hip recoil control | Damage range, bullet velocity, hip fire accuracy, recoil control |
| Tempus Trench Pro | A lightweight barrel that makes it easy to shoulder the weapon without sacrificing accuracy | Unlocked by default | Movement speed, aim down sight speed | Bullet velocity, recoil control |
| 419mm EXF Barrel | Expedite Firearms long barrel, designed for accuracy and steady target acquistion | Unlocked by default | Damage range, hip fire accuracy, bullet velocity | Aim down sight speed, hip recoil control |
| Hightower 20" Barrel | The factory barrel for the M16 rifle. Offers substantial weight and length for accuracy and controlled shots | Unlocked by default | Bullet velocity, damage range, recoil control, hip fire accuracy | Aim down sight speed, movement speed, hip recoil control |
| 11.5" T-H4 Barrel | This short Tempus Armament barrel is designed for operatives who like to run and gun, increasing mobility and speed | Unlocked by default | Aim down sight speed, hip recoil control | Damage range, hip fire accuracy, bullet velocity |
| 11.5" Carbine Shroud | A fast and reliable short barrel with aluminum heat shields to mitigate the heat from sustained fire | Unlocked by default | Recoil control, hip recoil control, bullet velocity | Damage range, movement speed, hip fire accuracy |
Laser
Sometimes, a scope just doesn't cut it, and you need a bit more assistance lining up those shots. That is where a good ol' laser can come in and help out. These handy devices strap to the front of gun and will cast a laser point wherever it is you are pointing, with usually only downside is that it can be seen by enemies.
| Name | Description | Unlock Criteria | Pros | Cons |
| 1MW Laser Box | A weapon-mounted laser that provides thighter bullet spread when hip firing. Laser is active at the hip. Beam: Red | Unlocked by default | Hip fire accuracy, hip recoil control | --- |
| SZIMW PEQ | A SoloZero laser box that increases aiming stability. Laser activates when aiming. Beam: Red | Get the SP-R 208 to level 2 | Aiming Stability | --- |
| Schlager PEQ Box IV | A 1mW laser box from Schlager that improves aiming down sight speed. Laser activates when aiming. Beam: Blue | Get the Signal 50 to level 3 | Aim down sight speed | --- |
| Corio LAZ-44 V3 | A lightweight, 5mW laser that increase aiming speed and stability. Laser is visible to enemies while aiming. Beam: Green | Get the MCPR 300 to level 3 | Aim down sight speed, aiming stability | Laser visible in ADS |
| FSS OLE-V Laser | A bright laser from FSS. Supports aiming stability and speed, as well as spring to fire speed. Laser is visible to enemies while aiming. Beam: Red | Get the EBR 14 to level 10 | Aim down sight speed, aiming stability, sprint to fire speed | Laser visible in ADS |
| Canted Vibro-Dot7 | A power laser that is visible to enemies. Stabilizes and speeds up aiming, providing laser-only ADS. Blocks optics | Get the TAQ-56 to level 10 | Canted laser aiming, aiming stability, aim down sight speed, sprint to fire speed | Laser visible to enemies, recoil stabilization |
| Stovl Dr Laser Box | A quality laser box that increases control when firing from the hip. Laser is active at the hip. Beam: blue | Get the Kastov 762 to level 9 | Hip recoil control, hip fire accuracy | --- |
| Corvus PEW Beam-5 | A weapon-mountable PEQ box that makes firing from the hip more accurate. Laser is visible to enemy players. Beam: Red | Get the Lachmann-762 to level 8 | Hip recoil control, hip fire accuracy | Laser visible at hip |
| FTAC Grimline Laser | A 7mW laser designed by Forge Tac. Increases hip fire accuracy and control, as well as sprint to fire speed. Laser is visible to enemies from the hip. Beam: Green | Get the TAQ V to level 5 | Hip recoil control, hip fire accuracy, sprint to fire speed | Laser visible at hip |
| Luminate-44 | This weapon-mounted flashlight improves accuracy | Get the SAKIN MG38 to level 8 | Flashlight, sprint to fire speed, aim walking steadiness | Flashlight visible in ADS |
| DXS Flash 90 | A mounted 1000-lumen flashlight that improves accuracy | Get the RAAL MG to level 4 | Flashlight, sprint to fire speed, aim stability | Flashlight visible to enemies |
Optic
A gun isn't much use if you can't hit your enemies, and scopes and other optics offered here provide you a wide variety of options to take advantage of. Different types of crosshairs, infrared, toggleable magnification, and more are at your disposal. You will take a small hit to how fast you can look down the site, or long-range scope shining in the sun, you will be able to see those enemies of yours whether they are right in front of you, or across the map.
| Name | Description | Unlock Criteria | Pros | Cons |
| Cronen Mini Red Dot | A small red dot sight with an unobtrusive frame and clear sight picture | Unlocked by default | Precision sight picture | Aim down sight speed |
| SZ SRO-7 | A precise optic with a tight sight picture and no-frills design | Unlocked by default | Precision sight picture | Aim down sight speed |
| SZ Lonewolf Optic | A holographic sight built for quick target acquistion | Unlocked by default | Precision sight picture | Aim down sight speed, aim walking movement speed |
| Forge Tac Delta 4 | A 4x scope designed for accurate performance at mid to long-range | Unlocked by default | 5.5x magnification | Very small sniper glint, aim down sight speed, aim walking movement speed |
| Drexsom Prime-90 | Dextron-Somers Optics has created a pinnacle thermal scope engineered for mid to long-range acquisition of heat sources | Unlocked by default | 7.5x magnification, thermal target identification | Medium sniper glint, aim down sight speed, aim walking movement speed |
| Slimline Pro | A slim profile provides an unobstructed view of your surroundings when aiming down sight | ??? | Precision sight picture | Aim down sight speed |
| SZ Mini | A compact, low-profile red dot sight for rapid engagements withought losing sight of the battlefield | Get the Lachmann Sub to level 11 | Precision sight picture | Aim down sight speed |
| Cronen Mini Pro | Get the edge in battle and find your targets fast. This Cronen red dot offers a near-perfect sight picture and unobstructed view | Get the Expedite 12 to level 7 | Precision sight picture | Aim down sight speed |
| SZ Sigma-IV Optic | This small red dot sight from SoloZero features a clear sight picture with minimal frame obstruction | Get the X12 to level 4 | Precision sight picture | Aim down sight speed |
| SZ Minitac-40 | A small red dot from SoloZerro. Streamlined design provides a crisp sight picture | Get the SO-14 to level 5 | Precision sight picture | Aim down sight speed |
| XRK On-point Optic | A fast and accurate reflex sight with a precise sight picture | Get the Bryson 890 to level 5 | Precision sight picture | Aim down sight speed |
| DF105 Reflex Sight | A precise reflex sight of Russian make | Get the Kastov-74u to level 10 | Precision sight picture | Aim down sight speed |
| Monocle CT90 | A minimal reflex sighht of Russian origin | Get the Minibak to level 12 | Precision sight picture | Aim down sight speed |
| Corvus Sol-76 | A Corvus state-of-the-art solar reflex sight. Features a clear sight picture with a 3 MOA dot | Get the VEL 46 to level 5 | Precision sight picture | Aim down sight speed |
| SZ Recharge-DX | A sealed reflex with an integrated micro solar panel and a large field of view | ??? | Precision sight picture | Aim down sight speed |
| Corio Re-X Pro | An active duty reflex sight from Corio Tactical. Features an auto-illuminated reticle and a large lens | Get the .50 GS to level 4 | Precision sight picture | Aim down sight speed |
| Corio Enforcer Optic | A high-quality holographic sight from Corio Tactical. Provides a clean sight picture for rapid engagements | ??? | Precision sight picture | Aim down sight speed, aim walking movement speed |
| Kazan-holo | A sturdy and reliable holographic sight of Russian origin | Get the Kastov 545 to level 7 | Precision sight picture | Aim down sight speed, aim walking movement speed |
| Corvus Downrange-00 | a utilitarian holographic sight designed for rapid engagements and target elimination | Get the MX9 to level 8 | Precision sight picture | Aim down sight speed, aim walking movement speed |
| SZ Holotherm | A breakthrough holo-thermal sight that employs body-recognition tech to outline enemies | Get the PDSW 528 to level 12 | Precision sight picture, thermal target identification | Aim down sight speed, aim walking movement speed |
| XTen Angel-40 | XTEN engineers have designed this rugged holographic optic for all combat scenarios | Get the TAQ-M to level 11 | Precision sight picture, target range indicator | Aim down sight speed, aim walking movement speed |
| VLK 4.0 Optic | A 4x scope of Russian origins | Get the Kastov 762 to level 4 | 4.0x magnification | Very small sniper glint, aim down sight speed, aim walking movement speed |
| Schalager 4x | Find your targets with a clear sight picture and 4x magnification | Get the RAPP H to level 12 | 3.4x magnification | very small sniper glint, aim down sight speed, aim walking movement speed |
| Cronen Zero-P Optic | Advanced 4x optic from Cronene. Designed to be the only option need in close to mid-range combat | Get the TAQ-56 to level 4 | 5.0x magnification | Very small sniper glint, aim down sight speed, aim walking movement speed |
| SZ Bullseye Optic | An advanced 4x optic designed for mid to long-range combat | Get the SO-14 to level 20 | 6.0x magnification | Very small sniper glint, aim down sight speed, aim walking movement speed |
| SZ Aggressor-IR Optic | A 4x thermal optic from SoloZero. Cutting-edge thermal technology and a lightweight design make this an ideal scope for any hunt | ??? | 6.3x magnification, thermal target identification | Small sniper glint, aim down sight speed, aim walking movement speed |
| Schlager Night View | Advanced thermal optic with 4x zoom for extreme combat environments | Get the STB 556 to level 6 | 6.0x magnification, thermal target identification | Small sniper glint, aim down sight speed, aim walking movement speed |
| VX350 Thermal Optic | A 4x thermal sight of Russian make. Durable and reliable withought unnecessary features | Get the RPK to level 7 | 5.5x magnification, thermal targe identification | Small sniper glint, aim down sight speed, aim walking movement speed |
| Teplo-OP3 Scope | A thermal weapon scope designed to track heat signatures in extreme environments | Get the SA-B 50 to level 9 | 5.0x magnification, thermal target identification | Small sniper glint, aim down sight speed, aim walking movement speed |
| DR582 Hybrid Sight | A holographic sight with flip-side 4.8x magnifier | Get the SAKIN MG38 to level 5 | 4.8x Magnification, dual optics toggle | Very small sniper glint, aim down sight speed, aim walking movement speed |
| Hybrid Firepoint | Swap between a 4.3x scope and a top-mounted reflex red dot when combat calls for adaptability | Get the Lachmann-762 to level 14 | 4.3x magnification, dual optics toggle | Very small sniper glint, aim down sight speed, aim walking movement speed |
| SZ Vortex-90 | A hybrid with a flip-up 5x magnifier that can be engaged for longer-range kills | Get the VEL 46 to level 20 | 5.0x magnification, dual optics toggle | Very small sniper glint, aim down sight speed, aim walking movement speed |
| BPZ40 Hybrid | A Schlager Tactical holo sight with a canted Cronen reflex optic | Get the TAQ-V to level 8 | 5.5x magnification, dual optics toggle | Very small sniper glint, aim down sight speed, aim walking movement speed |
| Angel-40 4.8x | XTEN engineers have designed this rugged holographic optic for all combat scenarios. Features a swappable 4.8x magnifier for distance shooting | Get the RAAL MG to level 6 | 4.8x magnification, target range indicator, dual optics toggle | Very small sniper glint, aim down sight speed, aim walking movement speed |
| Thermo-optic X9 | A cutting-edge thermal holographic sight | Get the Lachmann-556 to level 14 | 5.5x magnification, thermal target identification, dual optics toggle | Small sniper glint, aim down sight speed, aim walking movement speed |
| Teplo Clear Shot | This hybrid thermal optic features the 5x Teplo-OP3 thermal scope and a canted Cronen Clear Shot mini red dot sight | Get the HCR 56 to level 9 | 5.0x magnification, thermal target identification, dual optics toggle | Small sniper glint, aim down sight speed, aim walking movement speed |
| FTAC Charlie7 | A marksman rifle scope developed by Forge Tac with a wide FOV and clear sight picture | Get the SO-14 to level 18 | 7.5x magnification | Small sniper glint, aim down sight speed, aim walking movement speed |
| HMW-20 Optic | Respectable magnification provides more finesse for precise assault rifle shots | Lachmann-762 to level 2 | 8.0x magnification | Small sniper glint, aim down sight speed, aim walking movement speed |
| Luca Bandera Scope | A long-distance scope designed by Luca Optics. Variable 3.7-8.4x zoom | Get the Lockwood MK2 to level 7 | 3.7 magnification, 8.0x magnification toggle | Small sniper glint, aim down sight speed, aim walking movement speed |
| Ares Clear Shot | A hybrid optic with a Drexton-Somers mid-range scope for distance shooting, and a canted Cronen Clear Shot for those up close and personal firefights | Get the SO-14 to level 12 | 7.0x magnification, dual optics toggle | Small sniper glint, aim down sight speed, aim walking movement speed |
Stock
Stocks can fulfill many different purposes ranging from improving your aim by keeping the sway down to letting you sprint faster. These are great options to further refine a build idea you have or improve areas that your other attachments have hindered.
| Name | Description | Unlock Criteria | Pros | Cons |
| Ravage-8 | Get on target faster with this ergonomic tactical stock from Silverfield Ordnance | Unlocked by default | Crouch movement speed, sprint speed, aim down sight speed | recoil control |
| Demo Fade Pro Stock | A quick, lightweight stock from Demo Weapon Systems. Enhances weapon agility | Unlocked by default | Aim walking speed, sprint speed | Aiming stability |
| Tempus p80 Strike Stock | A tactically advanced stock designed for fast-paced firefights. Increases speed at the expense of some stability | Unlocked by default | Sprint speed, aim walking speed, crouch movement speed, aim down sight speed | Aiming stability, recoil control |
| Demo Precision Elite Factory | A solid factory stock from Demo Weapon Systems. Keep it simple and on target with this controllable stock | Unlocked by default | Aiming stability, recoil control | Aim down sight speed, crouch movement speed, aim walking speed, sprint speed |
| Corio Precio Factory | A heavy stock developed by Corio Tactical to provide stability and decent recoil control for high-caliber rifles | Unlocked by default | Aiming stability, recoil control | Aim walking speed, sprint speed, aim down sight speed, crouch movement speed |
| Demo D50 Buffer Tube | For run-and-gun operators who get down to business. Replaces the stock with a foam pad for an aggressively fast weapon | Unlocked by default | Aim down sight speed, sprint to fire speed, movement speed, hip recoil control | Aiming recoil control, aiming stability, flinch resistance |
Rear Grip
Much like the stock options, rear grips can improve many different areas or attempt to lessen the detriments posed by other attachments. Whether taking a rear stock is worth one of your five attachment slots will depend completely on what you are going for.
| Name | Description | Unlock Criteria | Pros | Cons |
| D15 Grip | A heavy grip with a rough texture for a stable, smooth hold while aiming. Reduces flinch when under fire | Unlocked by default | Flinch resistance | Aim walking movement speed |
| Sakin ZX Grip | A comfortable grip designed to help control recoil to keep shots on target | Unlocked by default | Recoil control | Aiming stability |
| XTen Grip | A comfortable, contoured grip designed by XTEN for snappy target acquisition | Unlocked by default | Sprint to fire speed, aim down sight speed | Recoil control |
| Phantom Grip | Streamlined to eliminate any extra weight, this skeletonized grip is as fast as it is aggressive | Unlocked by default | Sprint to fire speed, aim down sight speed | Recoil control, flinch resistance |
| Support CP90 Grip | An ergonomic rifle grip with a palm shelf that provides superior stability for precision accuracy | Unlocked by default | Aiming stability, flinch resistance | Aim down sight speed, aim walking movement speed |
For other tips on building out your multiplayer builds and level progression, check out our other Modern Warfare 2 guides!
- Tips and Tricks for All Multiplayer Game Modes
- Multiplayer Tips and Tricks
- Weapons
- Best Loadouts
- Multiplayer Maps
- All Rank Progression Rewards
Also, check out our Weapon tier ranking and best settings guide to get the upper hand on your opponents!
- Weapon Tier List: Ranking All Weapons Best to Worst
- Best Settings for Modern Warfare 2
