The design excellence of the STB 556 is modeled after the real-life AUG A3, an acclaimed and reliable weapon in the world of firearms. As a proud member of the esteemed Bruen Bullpup Platform family of weapons, the STB 556 stands out for its compact yet powerful nature, well-suited for various combat scenarios.

The M13B sports the highest firing rate among assault rifles in Warzone, making it a strong alternative to the STB 556. It offers a very competitive time-to-kill and minimal recoil, enabling it to excel in mid to long-range combats.