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What should I buy for CFM4 series?

M4 is divided into

Ordinary M4 silence M4

The general M4 has moderate lethality and penetration rate, but the advantage of this gun is that it is stable in three bursts and two bursts.

Mute M4-S has moderate lethality and excellent penetration rate. It is recommended to shoot three or five times.

It is recommended to buy camouflage mute M4-S, which is faster than changing bullets with black mute.