Understand Combustion Rounds
Useful when…
- Use it in an Archgun setup that calls for additional Heat damage.
- Consider whether its Heat bonus suits the setup and whether a standard slot is available.
Effect and compatibility
The mod adds +20% Heat at rank 0, +80% at rank 3, and +120% at rank 5. It is for Archguns and is explicitly incompatible with Primed Combustion Rounds.
Capacity and ranking
Combustion Rounds is an Uncommon standard mod with Madurai polarity, base drain 4, and maximum rank 5. Its rank raises the Heat bonus; the rank 4-to-5 example step costs 320 Endo and 15,456 Credits.
Other Archgun mod effects
Primed Combustion Rounds lists +187% Heat and has a maximum rank of 10; it is a separate option, incompatible with this mod. Ammo Chain adds ammunition maximum. Archgun Ace triggers on a headshot kill and grants fire or charge rate and reload speed for 9 seconds. These listed effects address different needs.
Limitations and tradeoffs
- Uses a standard Archgun slot and requires Endo and Credits to rank.
- Cannot be equipped together with Primed Combustion Rounds.
Common mistakes to avoid
- Trying to equip it with the explicitly incompatible Primed version.
- Treating the listed Heat percentage as final weapon damage.






