Best M4 Loadout in Modern Warfare 4 Season 1: Cbass's Assault Rifle Build

The M4 remains a versatile assault rifle option in Modern Warfare 4 Season 1, and content creator Cbass has shared a five-attachment configuration that combines a stockless setup with high-velocity ammunition and three additional weapon components.

This build is particularly interesting because of the balance it attempts to strike. Removing the stock suggests an emphasis on mobility, while the muzzle, underbarrel, and rear grip selections provide opportunities to manage the weapon's handling. The result is a configuration worth considering for players who prefer an adaptable assault rifle rather than a purely long-range weapon.

Best M4 Attachments for Modern Warfare 4 Season 1

The following attachment combination comes from Cbass's published M4 loadout.

These five attachments form the complete configuration. Specific unlock levels were not provided with the source information.

No Stock Makes This M4 Build Worth Examining

The most distinctive choice in Cbass's configuration is No Stock.

Stockless assault rifle setups are commonly associated with a more mobile approach to gunfights, although the exact benefits and penalties depend on the weapon's attachment statistics.

The important consideration is how removing the stock affects the rest of the build. Players should pay particular attention to recoil consistency and weapon stability, especially when firing continuously at distant opponents.

The FSS IS300, FSS Fireline Grip, and Brace DX Grip complete the handling-related portion of this configuration. Their precise individual effects have not been established from the available source details, so it would be misleading to assign them specific recoil reductions or ADS improvements.

What makes this combination worth evaluating is whether those attachments provide enough control to make the stockless M4 comfortable during repeated engagements.

What Does 5.56 NATO High Velocity Add?

The 5.56 NATO High Velocity ammunition modification is another notable component.

High-velocity ammunition generally focuses on projectile travel speed, potentially making moving targets easier to engage at greater distances. However, its exact effect in Modern Warfare 4 cannot be quantified from the supplied loadout alone.

For practical gameplay, players should distinguish projectile velocity from recoil control. Faster ammunition does not automatically make an assault rifle easier to keep on target, particularly when tracking opponents during extended bursts.

This distinction matters when assessing how the M4 performs beyond close and medium-range fights.

How to Approach Gunfights With This M4

Cbass's configuration is worth exploring as a flexible assault rifle setup, particularly for players who frequently transition between different engagement distances.

A sensible approach is to prioritise controlled fights around cover rather than relying on uninterrupted automatic fire across open areas.

At medium range, observe whether the weapon maintains consistent shot placement during longer bursts. At close range, assess whether removing the stock creates a noticeable handling advantage.

These are practical evaluation points, not claims about verified gameplay performance.

For players who primarily hold distant sightlines, a more stability-focused M4 configuration may ultimately prove preferable. Those who value movement and frequent repositioning may find the stockless arrangement more appealing.

Watch Cbass's Original M4 Loadout

This attachment combination is credited to Cbass, who shared the configuration on YouTube.

Watch Cbass's original M4 loadout video on YouTube

The defining feature of this Season 1 M4 setup is its combination of No Stock and 5.56 NATO High Velocity ammunition. Whether it fits your playstyle will depend largely on how comfortably you can manage the weapon during sustained fire while taking advantage of its handling characteristics.