This mod adds various muzzle devices:
AR/SMG: SureFire MB556K Muzzle Brake, Diamondhead T-BRAKE Muzzle Brake, Smith Vortex Flash Hider, YHM Slant Muzzle Brake
Pistols: AEK-919K Muzzle Brake, SJC Major Compensator, Tactical Flash Hider, YHM Universal Compensator
Shotguns: Molot GK-01 Muzzle Brake, HARTMAN Nomad Muzzle Brake

BeardLib is required.

Extract archive content to "mod_overrides".
How to Install Super BLT and mod_overrides mods tutorial by Master Indigo