Description
The 9×39 mm SP6 cartridge is a level 4 penetration ammunition for 9×39 mm caliber weapons in Arena Breakout: Infinite. Formally, it is a more affordable alternative to , but in practice, it is almost never used.
The reason is that with the same penetration level, SP6 falls short of in most key characteristics. The price difference is usually not significant enough to sacrifice efficiency, so most players either immediately buy or switch to the top-tier .


