There are many attachments in the popular Rules of Survival game that you should choose to equip for your character’s weapons. They are Rifle Silencer, SR Silence, SMG Silencer, Rifle Compensator. Most of them will be very useful to decrease making noise from shooting the enemy. Aside from that, they can reduce spreading it in the surrounding environment. From that result, you can hide and stay alive longer before you carry out the new plan. Meanwhile, the final upgrade can bring down h- and v- recoil considerably.