Shop › RUGGED .338 3 PORT BRK 3/4X24 RUGGED .338 3 PORT BRK 3/4X24 $170.00 Rugged Suppressors 3 Port Brake .338, Muzzle Brake, 3/4x24 Thread Pitch, Matte Finish, Black MB025 Quantity: Add To Cart Added! Rugged Suppressors 3 Port Brake .338, Muzzle Brake, 3/4x24 Thread Pitch, Matte Finish, Black MB025