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CoD Modern Warfare 4 Season 1 Adds New Guns and Attachments for More Combat Options

COD MW4 Season 1 introduces four new weapons, including Cronen Osprey, CSG-35, JAK 12, and ZLR Talonhawk, alongside six new attachments. Explore their stats, unlock requirements, combat performance, and customization options in this complete guide.

Author: Mason Reed Views: 266 Published: Nov 06, 2026 Modified: Nov 06, 2026

Call of Duty: Modern Warfare 4 Season 1 returns with four brand-new weapons, offering players more combat options. New weapons include Cronen Osprey Assault Rifle and CSG-35 SMG, both obtainable through Season 1 Battle Pass; the full-auto JAK 12 Shotgun and ZLR Talonhawk Combat Axe will be released later in the season.

In addition to these weapons, players can unlock a variety of new weapon attachments, altering the firing patterns and combat capabilities of existing firearms, promising a completely new gaming experience.

This article will provide a detailed introduction to all the new weapons and attachments in COD MW4 Season 1, helping you better understand and utilize them.

Call of Duty MW4 Season 1 Weapons Guide: All New Guns and Attachments
Call of Duty MW4 Season 1 Weapons Guide: All New Guns and Attachments

New Weapons

Cronen Osprey - New Assault Rifle

Cronen Osprey is one of two new primary weapons introduced at the launch of COD MW4 Season 1. This assault rifle uses 5.56mm ammunition, combining a high rate of fire with moderate damage, making it a good choice for players who enjoy sustained pressure on enemies.

This weapon boasts a maximum rate of fire of 882 rounds per minute, making it one of the fastest-firing assault rifles in MW4, rivaled only by M4. Specific details are as follows:

  • Weapon Class: Assault Rifle
  • Ammunition: 5.56mm
  • Weapon Levels: 70
  • Magazine Capacity: 30 rounds
  • Reserve Ammunition: 90 rounds
  • Fire Rate: 882 RPM
  • Unlock Requirement: Battle Pass Tier 16
  • Weapon Blueprint: Battle Pass Tier 87

Combat Performance

Cronen Osprey's main advantage lies in its combination of rate of fire and handling. It doesn't rely on extremely high single-shot damage, but rather on suppressing opponents through rapid, continuous fire. This makes it particularly effective in mid-range engagements, allowing players to fully utilize its sustained firepower.

However, players need to be aware of its recoil. During continuous automatic fire, the weapon recoils upwards and to the right, making it difficult to maintain accuracy during prolonged bursts.

Therefore, players should practice recoil control through steady aiming and short bursts. If needed, you can buy CoD Modern Warfare 4 Bot Lobbies for practice; we will provide assistance as quickly as possible.

Overall, this weapon is ideal for players who want a high rate of fire but don't want to completely sacrifice handling and mobility as an assault rifle.

CSG-35 - Submachine Gun

CSG-35 is the second new primary weapon introduced in Modern Warfare 4 Season 1. Unlike Cronen Osprey assault rifle, this submachine gun is designed for intense close-quarters combat.

Its biggest selling point is its astonishing rate of fire, reaching 1,200 rounds per minute, making it the fastest-firing weapon in its class. While the damage per bullet is relatively low, the rapid bursts allow it to suppress enemies in a short time. Specific data is as follows:

  • Weapon Class: Submachine Gun
  • Weapon Levels: 42
  • Magazine Capacity: 28 rounds
  • Reserve Ammunition: 112 rounds
  • Fire Rate: 1,200 RPM
  • Unlock Requirement: Battle Pass Tier 36
  • Weapon Blueprint: Battle Pass Tier 73

Combat Performance

CSG-35 performs excellently in close-quarters combat, especially inside buildings, around corners, or near targets. Its extremely high rate of fire allows players to unleash a large amount of ammunition before the opponent can react.

However, its performance becomes unstable beyond 20 meters. During sustained fire, the weapon's recoil becomes difficult to control, and its relatively small magazine capacity is quickly depleted due to high ammunition consumption.

To fully utilize CSG-35's advantages, close-range engagements should be prioritized, utilizing movement to approach the opponent. If necessary, attachments that improve recoil control and magazine capacity can compensate for its main weaknesses.

JAK 12 - Full-Auto Shotgun

JAK 12 is a brand new fully automatic shotgun, expected to be released later in COD MW4 Season 1 via an in-game event. Unlike traditional shotguns that require more precise aiming, this weapon fires continuously, making it particularly dangerous for opponents in confined spaces. Specifications are as follows:

  • Weapon Class: Shotgun
  • Weapon Levels: Classified
  • Magazine Capacity: 8 rounds
  • Reserve Ammunition: 16 rounds
  • Fire Rate: 323 RPM
  • Unlock Requirement: In-Season Event Reward

Combat Performance

JAK 12 is designed for close-range firepower. Its fully automatic firing mechanism allows players to rapidly fire multiple rounds in quick succession, making it an effective weapon for clearing rooms and attacking enemies hiding in corners.

However, its accuracy drops rapidly with increasing distance, and the recoil after each shot is significant. This makes positioning crucial. Players should avoid direct confrontations with enemies in open areas, instead utilizing cover and enclosed paths to approach before firing.

Overall, for players who enjoy aggressive shotgun gameplay, JAK 12 offers a different close-quarters combat approach and provides another option for breaking through enemy-controlled areas.

ZLR Talonhawk - Melee Combat Axe

ZLR Talonhawk is the fourth new weapon introduced in MW 4 Season 1. Unlike the other three weapons, it is designed specifically for close-quarters combat, with powerful slashing attacks at its core.

This combat axe utilizes its massive weight to deal significant damage to enemies within close-range. It offers a completely different combat experience for players who prefer direct confrontations to traditional gunfights. Specific data is as follows:

  • Weapon Class: Melee
  • Weapon Type: Combat Axe
  • Weapon Levels: 10
  • Mastery Badges: Supported
  • Attachment Slots: None
  • Unlock Requirement: In-Season Event Reward

Combat Performance

ZLR Talonhawk focuses on powerful melee attacks and close-range suppression. Its rich slashing animations set it apart from traditional daggers and light melee weapons.

Since it doesn't use ammunition and doesn't support traditional gunsmith attachments, players must rely on positioning, movement, and timing to use it effectively. Therefore, approaching enemies without exposing oneself to enemy fire is crucial.

Notably, this weapon also supports Mastery Badges, providing additional progress objectives for players who want to complete melee challenges and showcase their Combat Axe proficiency.

CoD Modern Warfare 4 JAK 12
CoD Modern Warfare 4 JAK 12

New Attachments

In addition to the four new weapons, Season 1 introduces a variety of weapon attachments, further expanding the gunsmith customization system. Some of these attachments are designed specifically for new weapons, while others modify existing firearms by altering their firing modes or ammunition configurations.

Cronen Helix Mk. II

Cronen Helix Mk. II is a unique double-barreled rifle designed specifically for Cronen Osprey. Its core mechanism is that pulling the trigger fires one bullet, and releasing it fires another.

This creates a unique firing rhythm, allowing players to achieve extremely high rates of fire without relying on traditional fully automatic fire.

CSG Crossfire

CSG Crossfire attachment gives CSG-35 a completely new close-range configuration, enabling dual-wielding. With it, players can carry and fire two CSG-35 submachine guns simultaneously, creating a denser barrage in close-quarters combat.

The main drawback is reduced accuracy. While dual-wielding significantly increases the weapon's firepower, it becomes less suitable for long-range precision shooting and engagements.

JAK Barrage

JAK Barrage is an exclusive Apex attachment for JAK 12, introducing explosive ammunition. Instead of relying solely on traditional shotgun pellets, this attachment allows the weapon to fire a series of sticky explosives.

This adds a new tactical dimension to JAK 12, enabling players to attack enemies behind cover or apply greater pressure in confined spaces.

Hyeon Auto Apex

Hyeon Auto Apex Attachment converts Hyeon Burst assault rifle into a fully automatic weapon. This modification aims to provide stable, rapid, and sustained fire, significantly increasing its rate of fire compared to the original burst or semi-automatic configuration.

However, this comes at the cost of reduced accuracy for greater sustained firepower. Players who prefer automatic assault rifles may find this modification particularly useful.

Kastov 545 Apex

Kastov 545 Apex attachment changes Kastov 762's ammunition configuration, allowing it to fire 5.45x39mm rounds. The official description states that this modified weapon offers smoother handling and a faster rate of fire without sacrificing combat effectiveness.

M16 Burst

M16 Burst Attachment replaces M4's standard fully automatic firing mode with a controllable burst mode. This provides players with a different way to use this familiar assault rifle, emphasizing more precise shooting rather than continuous automatic fire.

The four new weapons and a series of attachments added in COD MW4 Season 1 further enrich the weapon roster and bring more diverse combat possibilities. Therefore, instead of simply unlocking new weapons and rushing to the end, players should explore various attachment combinations to find the configuration that best suits their playstyle.

Mason Reed

Mason Reed (View My Posts)

I'm a dedicated gamer with a strong interest in RPG progression, character builds, and endgame challenges. Through my work at EZG, I analyze skill combinations, equipment choices, and combat strategies, turning complicated systems into straightforward advice that players can put into practice.

    CoD: Modern Warfare 4

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