Best BY-15 Loadout in COD Mobile Season 9: Aggressive Shotgun Build

The BY-15 remains a compelling close-range shotgun in Call of Duty: Mobile Season 9, particularly for players who prefer fast movement, aggressive positioning, and decisive engagements. As a pump-action weapon, it rewards accurate shot placement but leaves little room for mistakes when the first blast fails to eliminate an opponent.

This five-attachment configuration, shared by Explosive YT CODM, combines mobility improvements with tighter pellet spread and additional effective range. Rather than turning the BY-15 into a stationary defensive weapon, the setup aims to preserve its close-quarters lethality while giving players more flexibility when approaching fights.

Best BY-15 Attachments in COD Mobile Season 9

The defining feature of this loadout is its combination of range-enhancing attachments and aggressive movement options, allowing the BY-15 to operate effectively around corners, inside buildings, and across short gaps between cover.

Extending the BY-15's Effective Range Without Sacrificing Mobility

Two attachments establish the foundation of this configuration: the RTC Extended Light Barrel and Marauder Suppressor.

The extended barrel improves the shotgun's effective damage range, helping maintain its usefulness when targets are not directly in front of the player. The Marauder Suppressor complements that approach by improving pellet spread characteristics while also providing sound suppression.

Together, these attachments aim to make close-range shots more consistent. That matters particularly for a pump-action shotgun, where scattered pellets can make the difference between securing an elimination and needing another shot.

However, additional effective range should not be confused with genuine mid-range versatility. The BY-15 still performs best when players can close the distance before committing to a gunfight.

Why the MIP Laser 5mW and No Stock Matter

The MIP Laser 5mW supports hip-fire accuracy, making it especially relevant when clearing rooms or reacting to enemies appearing at close range.

Hip-firing can reduce the need to aim down sights during sudden encounters, although accurate centering remains essential. Players who consistently position their crosshair at the expected location of an opponent will benefit more than those relying on hurried flick shots.

Meanwhile, No Stock increases mobility and supports a faster, more aggressive approach. It helps the BY-15 feel less restrictive while moving between cover or repositioning after an engagement.

The trade-off is reduced weapon stability and precision. This makes the final attachment, Granulated Grip Tape, an interesting choice.

Granulated Grip Tape improves ADS bullet spread accuracy, providing additional precision when aiming deliberately. Its benefits are distinct from those of the MIP Laser 5mW: one supports aimed shots, while the other primarily benefits hip-fire engagements.

This gives the configuration two practical approaches to close-range combat rather than relying exclusively on one firing technique.

How to Play This BY-15 Loadout Effectively

The biggest limitation of this setup is not movement speed or attachment selection. It is the BY-15's pump-action firing cycle.

Missing the opening shot against an automatic weapon can leave a dangerous window before the follow-up. Players should therefore avoid challenging opponents across exposed spaces where movement alone cannot compensate for the shotgun's slower firing cadence.

The configuration is better suited to:

• Close-range entry fights: Approach from cover and use hip-fire for immediate reactions.
• Hardpoint and objective pressure: Clear confined areas while avoiding prolonged engagements in open lanes.
• Aggressive flanking: Exploit alternative routes to approach opponents from favourable distances.
• Cover-based repositioning: Return behind cover during the pump cycle instead of remaining exposed.

The absence of a magazine or ammunition attachment also means the build does not address the BY-15's limited capacity. Reload discipline remains important, particularly when engaging multiple enemies in succession.

Is This BY-15 Build Worth Using in Season 9?

Explosive YT CODM's configuration offers an aggressive interpretation of the BY-15 that balances close-range mobility with more deliberate pellet-spread management.

Its appeal lies in the flexibility between quick hip-fire reactions and controlled ADS shots. However, neither approach removes the need to manage distance, anticipate enemy movement, and respect the weapon's firing cycle.

Players who enjoy aggressive shotgun gameplay should find the attachment combination worth considering, particularly on maps where short sightlines and plentiful cover allow them to control engagement distances.

For the original configuration, watch Explosive YT CODM's BY-15 loadout video on YouTube.

The key to getting value from this BY-15 setup is choosing the right engagement before firing: close the distance safely, centre the first shot, and keep an escape route available if the elimination requires a second blast.