The Muzzle Break in a weapon attachment in Blacklight: Tango Down.
Overview[]
The Muzzle Break hides the flash of the weapon, but it lowers aimed accuracy and doesn't muffle the sound of the weapon when it's being fired.
it can only be unlocked for only one Primary Weapon, the SMG and several Pistols.
Depending on the Primary or Secondary weapon this Magazine can be unlocked after a certain Rank. Rank unlocks vary by weapon.