Seymour Duncan Dave Mustaine Thrash Factor signature pickup, supposed to be a JB with a tighter low end......

[harddriver]

I never really saw these pickups discussed I know alot of guys beef about the low end of the standard JB's maybe this is right up your alley.
https://www.seymourduncan.com/single-product/dave-mustaine-thrash-factor
Lambchopper678 gets some pretty tight tones out of these in this Jackson guitar considering Metallica is EMG pickups. You Metallica guys might like this video...