- For other variants, see ACR and ACR 6.8.
- For other uses, see Sidewinder.
- "A highly adaptable Battle Rifle chambered in 450 Huntsman that delivers high damage at close to mid-range."
- — In-game description
The Sidewinder is a battle rifle featured in Call of Duty: Modern Warfare III.
Overview[]
Zombies[]
The Sidewinder can be brought into Operation Deadbolt via Create-A-Class, at Common rarity and can be found at any rarity via the Mystery Box for 950 Essence. When upgraded via the Pack-a-Punch Machine or with Aetherium Crystals, it becomes the Crotalus.
Attachments[]
Muzzle[]
- Monolithic Suppressor L
- Sonic Suppressor L
- Colossus Suppressor L
- ELR Blackfire Compensator L
- Wrathguard Compensator L
- T51R Billeted Brake L
- ZEHMN35 Compensated Flash Hider
- S-37C DL Breacher Device L
- Shadowstrike Suppressor
- VT-7 Spiritfire Suppressor L
- HMRES Mod Suppressor L
- Bruen Harmonic Suppressor L
- Husher-65 Silencer
- FR Titan Silencer
- Polarfire-S
- ZLR Talon 5
- Echoline GS-X
- Zulu-60
- Kastovia DX90
- Cronen SP-DR
- STER45 Skyfury Compensator L
- T4LR Saber Compensator L
- EX-01 Match Compensator L
- Purifier Muzzle Brake L
- Endless 30 Compensator
- Casus Brake L
- Tempus GH50
- TY-LR8
- Lockshot KT85
- SA Leveler 55
- BORE-490
- Sakin Tread-40
- GL Clear Breach
- TA HUL-Breach KL
- L4R Flash Hider
- Eight-Point Flash Hider
- TZL-90 V3
- Cronen Dark KX30
- JAK BFB
Barrel[]
- Rattleback Deadeye 16" Barrel
- Orchestra-40 Short Heavy Barrel
- Tempus Predator Precision Barrel
- Rattleback Pro 14.5" MAW Barrel
- 76L-P Heavy Barrel
- Huntsman Series-R Integrated Suppressor Barrel
- SL Crater Heavy Barrel
Laser[]
- Verdant Hook Box Laser
- SL Razorhawk Laser Light
- CS15 Scarlet Box Laser
- Pro Sapphire Box Laser
- SZ 1mw PEQ
- Schlager PEQ Box IV
- Corio LAZ-44 V3
- FSS OLE-V Laser
- Canted Vibro-Dot 7
- 1mw Laser Box
- Stovl DR Laser Box
- Corvus PEQ Beam-5
- FTac Grimline Laser
- Luminate-44
- DXS Flash 90
Optic[]
- JAK Bullseye
- Cronen Intlas MSP-12
- JAK Glassless Optic
- TPS Incendio Reflex
- Intlas CAS-14
- KR Intlas LSJ-3
- Slate Reflector
- XTEN ERX-10 Mini
- MORS Dot Sight
- Slimline Pro
- SZ Mini
- Cronen Mini Dot
- Cronen Mini Pro
- SZ Sigma-IV Optic
- SZ Minitac-40
- KR Minitac-40 Riser
- FSS Spectre Microtherm
- QTG Reflex Sight
- Caucasus Reflex Sight
- Nydar Model 2023
- MK.3 Reflector
- Dragon's Eye Optic
- Quarters Classic Reflex
- JAK NRG-IV Optic
- XRK On-Point Optic
- AIM OP-V4
- DF105 Relfex Sight
- Monocle CT90
- Corvus SOL-76
- SZ Recharge-DX
- SZ SRO-7
- Corio RE-X Pro
- KR V4 1X Riser
- Chrios Holo
- Corio Enforcer Optic
- SZ Lonewolf Optic
- Kazan-Holo
- SZ Battle Optic
- Corvus Downrage-00
- XTEN Angel-40
- SZ Holotherm
- Corio ELT-10 2.5
- KR Mortis Precision 2.5x
- Corio Eagleseye 2.5x
- SL Truesight 2.5x
- Holo-Craft Optic
- KR Marauder 9 Riser
- TOS Nightfall 2.5x Thermal Optic
- AOK 4.0x RQ-9 Recon
- TX4 Havoc
- VLK 4.0 Optic
- Schlager 3.4x
- FORGE TAC Delta 4
- Cronen Zero-P Optic
- SZ Bullseye Optic
- SZ Aggressor-IR Optic
- Schlager Night View
- VX350 Thermal Optic
- Teplo-OP3 Scope
- Heinrichter Hybrid Scope
- SZ HM5 Precision Hybrid Optic
- Corvus Ghostview
- DR582 Hybrid Sight
- Hybrid Firepoint
- SZ Vortex-90
- BPZ40 Hybrid
- SZ Oscar-9
- Angel-40 4.8x
- Thermo-Optic x9
- Teplo Clear Shot
- FTAC Charlie7
- HMW-20 Optic
- Luca Bandera Scope
- DS Farsight 11
- 3x RFL-Optic
- Drexsom Prime-90
- Ares Clear Shot
- Vigilant-30 C-Iron
Stock[]
- MCW Ironbark Tactical Stock
- SL Warforged Precision Stock
- RB Regal Heavy Stock
- RB Precision Heavy Stock
- A90 Venom Stock
Underbarrel[]
- FTac SP-10 Angled Grip
- Bruen Bastion Angled Grip
- Kimura Seraphic Vertical Grip
- Corvus Torch
- JAK Purifier
- DR-6 Handstop
- XRK Edge BW-4 Handstop
- FTac NSO-98 Handstop
- XTEN Phantom-5 Handstop
- XTEN TX-12 Handstop
- FTac RS-9 Stealth Angled Grip
- Chewk Angled Grip
- Commando Foregrip
- Edge-47 Grip
- Demo Firm Grip
- XTEN Gravedigger
- FTac Ripper 56
- Demo Cleanshot 40
- Demo IMP-44 Grip
- FTac Tiger Grip
- FSS Sharkfin 90
- Agent Grip
- Bruen Sync Shot Grip
- XTEN Drop Grip
- XTEN Nexus Grip
- Phase-3 Grip
- Bruen Heavy Support Grip
- Kimura RYN-03 Vertical Grip
- SL Skeletal Vertical Grip
- Holger Vertical Grip
- Bruen Tactical Vertical Grip
- Bruen Pivot Vertical Grip
- Merc Foregrip
- Lockgrip Precision-40
- HEX-40 Grip
- Schlager Tango
- VX Pineapple
- DP-X9 Foregrip
- Operator Foregrip
- TV Wrecker Grip
- Bruen Tilt Grip
- Cronen Grooveshot
- EXF Backdraft Grip
- Bruen Warrior Grip
- Bipod V9 Grip
- Core BP2
- Level Aim Bipod
- Cornerstone Bipod
- XTEN Stable Shot
- SPW 40mm HE
- SPW 40mm Drill
- Corvus Mastekey
Ammunition[]
- 450 Huntsman Frangible
- 450 Huntsman Hollowpoint
- 450 Huntsman Armor Piercing
- 450 Huntsman Overpressured+P
- 450 Huntsman High Velocity
- 450 Huntsman Low Grain Rounds
- 450 Huntsman High Grain Rounds
- 450 Huntsman Round Nose
- 450 Huntsman Mono
- 450 Huntsman Tracer
Magazine[]
- 10 Round Mag
- 15 Round Mag
- 30 Round Drum
Rear Grip[]
- RB Borealis Grip
- RB Rapidstrike Grip
- RB Palm Shelf Grip
Conversion Kit[]
Blueprints (Modern Warfare III)[]
| Blueprint | Image | How to Obtain |
|---|---|---|
| All Prey | 
|
Hunting Season Bundle |
| Angel’s Fury | 
|
Tracer Pack: Warhammer 40,000 Space Marines Bundle |
| Ardent Shell | 
|
Tracer Pack: Zodiac: Cancer Pro Pack |
| Brain Brine | 
|
Tracer Pack: Big Brain Ultra Skin Bundle |
| Courage and Honour | 
|
Tracer Pack: Warhammer 40,000 Space Marines Bundle |
| Cryptid | 
|
Complete all 8 challenges during the Cryptid Bootcamp event. |
| Danger Spark | 
|
Tracer Pack: Echo Endo: Vibrant Vixen Bundle |
| Fungal Pattern | 
|
Battle Pass Season Four Sector 16 |
| Northern Lights | 
|
Tracer Pack: Super Nova Bundle |
| Requiem BlackCell | 
|
Battle Pass Season Two BlackCell Sector |
| Toke 'N Smoke | 
|
Tracer Pack: Slowmo Bundle |
| Torched Ego | 
|
DNGR Buds Bundle |
Blueprints (Warzone Mobile)[]
| Blueprint | Image | Rarity | How to Obtain |
|---|---|---|---|
| Mad Masque | Legendary | Mad Masque The Keep | |
| Second Gear | Rare | Obtain 360000 Event Points during the Mecha event |