Before scripting the preset, you must understand the target. The tone on Master of Puppets is unique. It is often described as "boxy" or "honky" because it lacks the extreme low-end of modern metal (like Death Magnetic) and the scooped mids of The Black Album.
Key characteristics of the tone:
Guitar Rig 5 is perfect for this because its "Hot Plex" and "Lead 800" modules have a natural mid-range spike that modern amp sims often EQ out. Guitar Rig 5 Metal Preset Metallica Master Of Puppets Box
The defining characteristic of the MOP tone is the "scooped mids." This is best achieved after the amplifier using a Parametric EQ, rather than stripping the mids from the amp itself (which makes the tone sound hollow and lifeless). Before scripting the preset, you must understand the target
This is where we turn a "good" metal tone into the Master of Puppets tone. We need a parametric EQ to carve the mud and boost the "knock." Guitar Rig 5 is perfect for this because
To build the "Master of Puppets Box" preset, we aren't looking for modern high-gain saturation. We are looking for tight, mid-range grind. The sound on Puppets is famously dry, aggressive, and articulate.