The Liberty Suppressors Blast Diffuser assembly helps to mitigate the blast of the LS1 Muzzle Brake when not shooting suppressed. The assembly comes with the Blast Diffuser, LS1 Brake, and 3 interchangeable front caps: 5.56mm, 6.5mm, and 7.62mm. The replaceable end caps also fit the Liberty Suppressors Sovereign 30 caliber suppressor.