TBAC Magnus-S or Otter Creek Hydrogen-S would be my recommendation.
As to what makes a precision suppressor a precision rifle can,
@Zak Smith can answer it better than I can, but from what I’ve read on this before, it’s more or less the consistency of bore straightness in concentricity to the barrel threads creating a straighter path for the bullet to travel through the bore, which creates a more consistent flow and expansion of gases propelling the bullet after it leaves the muzzle. This straightness concentricity also minimizes POI shift with the suppressor on and off, and helps create a truly repeatable POI every time you remove and then reinstall the suppressor on the gun. One thing comp shooters and precision rifle enthusiasts like is consistency. And TBAC checks runout on every single can they make to ensure it falls inside of their standards for precision. Which is why TBAC has been the standard for precision rifle cans for so long.
Also, if you are shooting something 6mm, or smaller, the Polonium 5.56 is an excellent can. If you want something bigger (more volume = quieter), lighter, and just as precise the TBAC Magnus series, or Otter Creek Hydrogen series are all good to go, as well.